diff --git a/gulpfile.js b/gulpfile.js
index af145dc3..756142f7 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -29,10 +29,11 @@ app.sass = function(paths, filename) {
         .pipe(plugins.plumber())
         .pipe(plugins.if(!config.production, plugins.sourcemaps.init()))
         .pipe(plugins.sassGlob())
-        .pipe(plugins.sass())
+        .pipe(plugins.sass({
+            outputStyle: 'compressed'
+        }))
         .pipe(plugins.autoprefixer(config.autoprefixer.browsers))
         .pipe(plugins.concat(filename))
-        .pipe(plugins.if(config.production, plugins.cleanCss()))
         .pipe(plugins.if(!config.production, plugins.sourcemaps.write('.')))
         .pipe(plugins.if(!config.production, plugins.refresh()))
         .pipe(gulp.dest(config.sass.outputDir));
diff --git a/package.json b/package.json
index bbff124e..8b230cd9 100644
--- a/package.json
+++ b/package.json
@@ -1,12 +1,10 @@
 {
   "devDependencies": {
     "bower": "^1.7.7",
-    "coffee-script": "^1.10.0",
     "del": "^2.2.0",
     "gulp": "^3.9.0",
     "gulp-autoprefixer": "^3.1.0",
     "gulp-clean": "^0.3.1",
-    "gulp-clean-css": "^2.0.4",
     "gulp-concat": "^2.6.0",
     "gulp-htmlmin": "^1.3.0",
     "gulp-if": "^2.0.0",
diff --git a/yarn.lock b/yarn.lock
index d8976713..c18a8de4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -36,10 +36,6 @@ ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
 
-ansicolors@~0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/ansicolors/-/ansicolors-0.2.1.tgz#be089599097b74a5c9c4a84a0cdbcdb62bd87aef"
-
 aproba@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.0.4.tgz#2713680775e7614c8ba186c065d4e2e52d1072c0"
@@ -300,12 +296,6 @@ bufferstreams@^1.1.0:
   dependencies:
     readable-stream "^2.0.2"
 
-bufferstreams@1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/bufferstreams/-/bufferstreams-1.0.1.tgz#cfb1ad9568d3ba3cfe935ba9abdd952de88aab2a"
-  dependencies:
-    readable-stream "^1.0.33"
-
 builtin-modules@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
@@ -352,13 +342,6 @@ capture-stack-trace@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/capture-stack-trace/-/capture-stack-trace-1.0.0.tgz#4a6fa07399c26bba47f0b2496b4d0fb408c5550d"
 
-cardinal@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/cardinal/-/cardinal-1.0.0.tgz#50e21c1b0aa37729f9377def196b5a9cec932ee9"
-  dependencies:
-    ansicolors "~0.2.1"
-    redeyed "~1.0.0"
-
 caseless@~0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.11.0.tgz#715b96ea9841593cc33067923f5ec60ebda4f7d7"
@@ -379,16 +362,6 @@ center-align@^0.1.1:
     align-text "^0.1.3"
     lazy-cache "^1.0.3"
 
-chalk@*, chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
-  dependencies:
-    ansi-styles "^2.2.1"
-    escape-string-regexp "^1.0.2"
-    has-ansi "^2.0.0"
-    strip-ansi "^3.0.0"
-    supports-color "^2.0.0"
-
 chalk@^0.5.0, chalk@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-0.5.1.tgz#663b3a648b68b55d04690d49167aa837858f2174"
@@ -399,6 +372,16 @@ chalk@^0.5.0, chalk@^0.5.1:
     strip-ansi "^0.3.0"
     supports-color "^0.2.0"
 
+chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  dependencies:
+    ansi-styles "^2.2.1"
+    escape-string-regexp "^1.0.2"
+    has-ansi "^2.0.0"
+    strip-ansi "^3.0.0"
+    supports-color "^2.0.0"
+
 change-case@2.3.x:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/change-case/-/change-case-2.3.1.tgz#2c4fde3f063bb41d00cd68e0d5a09db61cbe894f"
@@ -426,26 +409,13 @@ clap@^1.0.9:
   dependencies:
     chalk "^1.1.3"
 
-clean-css@^3.4.20, clean-css@3.4.x:
+clean-css@3.4.x:
   version "3.4.20"
   resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-3.4.20.tgz#c0d8963b5448e030f0bcd3ddd0dac4dfe3dea501"
   dependencies:
     commander "2.8.x"
     source-map "0.4.x"
 
-cli-table@^0.3.1:
-  version "0.3.1"
-  resolved "https://registry.yarnpkg.com/cli-table/-/cli-table-0.3.1.tgz#f53b05266a8b1a0b934b3d0821e6e2dc5914ae23"
-  dependencies:
-    colors "1.0.3"
-
-cli-usage@^0.1.1:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/cli-usage/-/cli-usage-0.1.4.tgz#7c01e0dc706c234b39c933838c8e20b2175776e2"
-  dependencies:
-    marked "^0.3.6"
-    marked-terminal "^1.6.2"
-
 cliui@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
@@ -490,18 +460,10 @@ code-point-at@^1.0.0:
   dependencies:
     number-is-nan "^1.0.0"
 
-coffee-script@^1.10.0:
-  version "1.11.1"
-  resolved "https://registry.yarnpkg.com/coffee-script/-/coffee-script-1.11.1.tgz#bf1c47ad64443a0d95d12df2b147cc0a4daad6e9"
-
 colors@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.1.2.tgz#168a4701756b6a7f51a12ce0c97bfa28c084ed63"
 
-colors@1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/colors/-/colors-1.0.3.tgz#0433f44d809680fdeb60ed260f1b0c262e82a40b"
-
 combined-stream@^1.0.5, combined-stream@~1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.5.tgz#938370a57b4a51dea2c77c15d5c5fdf895164009"
@@ -873,7 +835,7 @@ escape-string-regexp@^1.0.0, escape-string-regexp@^1.0.2, escape-string-regexp@^
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
 
-esprima@^2.6.0, esprima@~2.7.0:
+esprima@^2.6.0:
   version "2.7.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
 
@@ -1355,10 +1317,6 @@ graceful-fs@~1.2.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
 
-growly@^1.2.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
-
 gulp-autoprefixer@^3.1.0:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/gulp-autoprefixer/-/gulp-autoprefixer-3.1.1.tgz#75230051cd0d171343d783b7e9b5d1120eeef9b0"
@@ -1369,17 +1327,6 @@ gulp-autoprefixer@^3.1.0:
     through2 "^2.0.0"
     vinyl-sourcemaps-apply "^0.2.0"
 
-gulp-clean-css@^2.0.4:
-  version "2.0.13"
-  resolved "https://registry.yarnpkg.com/gulp-clean-css/-/gulp-clean-css-2.0.13.tgz#85def4aaa2af6f06c1646e05111fd7b4b5e627d0"
-  dependencies:
-    clean-css "^3.4.20"
-    gulp-util "^3.0.7"
-    object-assign "^4.1.0"
-    readable-stream "^2.1.5"
-    vinyl-bufferstream "^1.0.1"
-    vinyl-sourcemaps-apply "^0.2.1"
-
 gulp-clean@^0.3.1:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/gulp-clean/-/gulp-clean-0.3.2.tgz#a347d473acea40182f935587a451941671928102"
@@ -1454,16 +1401,6 @@ gulp-match@^1.0.2:
   dependencies:
     minimatch "^3.0.0"
 
-gulp-notify@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/gulp-notify/-/gulp-notify-2.2.0.tgz#046c8285c292e97eed4e15a009c26cbbe5cef135"
-  dependencies:
-    gulp-util "^3.0.2"
-    lodash.template "^3.0.0"
-    node-notifier "^4.1.0"
-    node.extend "^1.1.3"
-    through2 "^0.6.3"
-
 gulp-plumber@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/gulp-plumber/-/gulp-plumber-1.1.0.tgz#f12176c2d0422f60306c242fff6a01a394faba09"
@@ -1518,12 +1455,6 @@ gulp-sourcemaps@^1.5.2, gulp-sourcemaps@^1.6.0:
     through2 "2.X"
     vinyl "1.X"
 
-gulp-task-listing:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/gulp-task-listing/-/gulp-task-listing-1.0.1.tgz#8d3d88a93381715d80d66d08d9c55587d889f2ba"
-  dependencies:
-    chalk "*"
-
 gulp-uglify@^1.5.3:
   version "1.5.4"
   resolved "https://registry.yarnpkg.com/gulp-uglify/-/gulp-uglify-1.5.4.tgz#524788d87666d09f9d0c21fb2177f90039a658c9"
@@ -2007,10 +1938,6 @@ is-zip@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-zip/-/is-zip-1.0.0.tgz#47b0a8ff4d38a76431ccfd99a8e15a4c86ba2325"
 
-is@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/is/-/is-3.1.0.tgz#2945d205d691cbfe4833e3f8a11c8ae94673f2a7"
-
 isarray@~1.0.0, isarray@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
@@ -2150,40 +2077,10 @@ load-json-file@^1.0.0:
     pinkie-promise "^2.0.0"
     strip-bom "^2.0.0"
 
-lodash._arraycopy@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/lodash._arraycopy/-/lodash._arraycopy-3.0.0.tgz#76e7b7c1f1fb92547374878a562ed06a3e50f6e1"
-
-lodash._arrayeach@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/lodash._arrayeach/-/lodash._arrayeach-3.0.0.tgz#bab156b2a90d3f1bbd5c653403349e5e5933ef9e"
-
-lodash._baseassign@^3.0.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/lodash._baseassign/-/lodash._baseassign-3.2.0.tgz#8c38a099500f215ad09e59f1722fd0c52bfe0a4e"
-  dependencies:
-    lodash._basecopy "^3.0.0"
-    lodash.keys "^3.0.0"
-
-lodash._baseclone@^3.0.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/lodash._baseclone/-/lodash._baseclone-3.3.0.tgz#303519bf6393fe7e42f34d8b630ef7794e3542b7"
-  dependencies:
-    lodash._arraycopy "^3.0.0"
-    lodash._arrayeach "^3.0.0"
-    lodash._baseassign "^3.0.0"
-    lodash._basefor "^3.0.0"
-    lodash.isarray "^3.0.0"
-    lodash.keys "^3.0.0"
-
 lodash._basecopy@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/lodash._basecopy/-/lodash._basecopy-3.0.1.tgz#8da0e6a876cf344c0ad8a54882111dd3c5c7ca36"
 
-lodash._basefor@^3.0.0:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/lodash._basefor/-/lodash._basefor-3.0.3.tgz#7550b4e9218ef09fad24343b612021c79b4c20c2"
-
 lodash._basetostring@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/lodash._basetostring/-/lodash._basetostring-3.0.1.tgz#d1861d877f824a52f669832dcaf3ee15566a07d5"
@@ -2192,10 +2089,6 @@ lodash._basevalues@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/lodash._basevalues/-/lodash._basevalues-3.0.0.tgz#5b775762802bde3d3297503e26300820fdf661b7"
 
-lodash._bindcallback@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/lodash._bindcallback/-/lodash._bindcallback-3.0.1.tgz#e531c27644cf8b57a99e17ed95b35c748789392e"
-
 lodash._escapehtmlchar@~2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/lodash._escapehtmlchar/-/lodash._escapehtmlchar-2.4.1.tgz#df67c3bb6b7e8e1e831ab48bfa0795b92afe899d"
@@ -2267,13 +2160,6 @@ lodash.assignwith@^4.0.7:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/lodash.assignwith/-/lodash.assignwith-4.2.0.tgz#127a97f02adc41751a954d24b0de17e100e038eb"
 
-lodash.clonedeep@^3.0.0:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-3.0.2.tgz#a0a1e40d82a5ea89ff5b147b8444ed63d92827db"
-  dependencies:
-    lodash._baseclone "^3.0.0"
-    lodash._bindcallback "^3.0.0"
-
 lodash.clonedeep@^4.3.2:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
@@ -2483,20 +2369,6 @@ map-stream@~0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/map-stream/-/map-stream-0.1.0.tgz#e56aa94c4c8055a16404a0674b78f215f7c8e194"
 
-marked-terminal@^1.6.2:
-  version "1.6.2"
-  resolved "https://registry.yarnpkg.com/marked-terminal/-/marked-terminal-1.6.2.tgz#44c128d69b5d9776c848314cdf69d4ec96322973"
-  dependencies:
-    cardinal "^1.0.0"
-    chalk "^1.0.0"
-    cli-table "^0.3.1"
-    lodash.assign "^4.2.0"
-    node-emoji "^1.3.1"
-
-marked@^0.3.6:
-  version "0.3.6"
-  resolved "https://registry.yarnpkg.com/marked/-/marked-0.3.6.tgz#b2c6c618fccece4ef86c4fc6cb8a7cbf5aeda8d7"
-
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
@@ -2584,7 +2456,7 @@ minimist@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.2.0.tgz#4dffe525dae2b864c66c2e23c6271d7afdecefce"
 
-minimist@^1.1.0, minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0:
+minimist@^1.1.0, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
@@ -2622,12 +2494,6 @@ ncname@1.0.x:
   dependencies:
     xml-char-classes "^1.0.0"
 
-node-emoji@^1.3.1:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/node-emoji/-/node-emoji-1.4.1.tgz#c9fa0cf91094335bcb967a6f42b2305c15af2ebc"
-  dependencies:
-    string.prototype.codepointat "^0.2.0"
-
 node-gyp@^3.3.1:
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/node-gyp/-/node-gyp-3.4.0.tgz#dda558393b3ecbbe24c9e6b8703c71194c63fa36"
@@ -2647,18 +2513,6 @@ node-gyp@^3.3.1:
     tar "^2.0.0"
     which "1"
 
-node-notifier@^4.1.0:
-  version "4.6.1"
-  resolved "https://registry.yarnpkg.com/node-notifier/-/node-notifier-4.6.1.tgz#056d14244f3dcc1ceadfe68af9cff0c5473a33f3"
-  dependencies:
-    cli-usage "^0.1.1"
-    growly "^1.2.0"
-    lodash.clonedeep "^3.0.0"
-    minimist "^1.1.1"
-    semver "^5.1.0"
-    shellwords "^0.1.0"
-    which "^1.0.5"
-
 node-sass@^3.4.2:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-3.10.1.tgz#c535b2e1a5439240591e06d7308cb663820d616c"
@@ -2688,12 +2542,6 @@ node-uuid@~1.4.7:
   version "1.4.7"
   resolved "https://registry.yarnpkg.com/node-uuid/-/node-uuid-1.4.7.tgz#6da5a17668c4b3dd59623bda11cf7fa4c1f60a6f"
 
-node.extend@^1.1.3:
-  version "1.1.6"
-  resolved "https://registry.yarnpkg.com/node.extend/-/node.extend-1.1.6.tgz#a7b882c82d6c93a4863a5504bd5de8ec86258b96"
-  dependencies:
-    is "^3.1.0"
-
 "nopt@2 || 3":
   version "3.0.6"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-3.0.6.tgz#c6465dbf08abcd4db359317f79ac68a646b28ff9"
@@ -3065,16 +2913,7 @@ read-pkg@^1.0.0:
     normalize-package-data "^2.3.2"
     path-type "^1.0.0"
 
-readable-stream@^1.0.33, readable-stream@~1.1.9:
-  version "1.1.14"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
-  dependencies:
-    core-util-is "~1.0.0"
-    inherits "~2.0.1"
-    isarray "0.0.1"
-    string_decoder "~0.10.x"
-
-readable-stream@^2.0.0, "readable-stream@^2.0.0 || ^1.1.13", readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.5, readable-stream@^2.1.5:
+readable-stream@^2.0.0, "readable-stream@^2.0.0 || ^1.1.13", readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.5:
   version "2.1.5"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.1.5.tgz#66fa8b720e1438b364681f2ad1a63c618448c9d0"
   dependencies:
@@ -3095,6 +2934,15 @@ readable-stream@^2.0.0, "readable-stream@^2.0.0 || ^1.1.13", readable-stream@^2.
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
+readable-stream@~1.1.9:
+  version "1.1.14"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "0.0.1"
+    string_decoder "~0.10.x"
+
 readable-stream@~2.0.0, readable-stream@~2.0.5:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
@@ -3119,12 +2967,6 @@ redent@^1.0.0:
     indent-string "^2.1.0"
     strip-indent "^1.0.1"
 
-redeyed@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/redeyed/-/redeyed-1.0.0.tgz#6ce25045c9e1f9b28c0ae73ce2960c8cb48184b1"
-  dependencies:
-    esprima "~2.7.0"
-
 regex-cache@^0.4.2:
   version "0.4.3"
   resolved "https://registry.yarnpkg.com/regex-cache/-/regex-cache-0.4.3.tgz#9b1a6c35d4d0dfcef5711ae651e8e9d3d7114145"
@@ -3247,7 +3089,7 @@ semver@^4.0.3, semver@^4.1.0:
   version "4.3.6"
   resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
 
-semver@^5.1.0, semver@^5.3.0, "semver@2 || 3 || 4 || 5", "semver@2.x || 3.x || 4 || 5":
+semver@^5.3.0, "semver@2 || 3 || 4 || 5", "semver@2.x || 3.x || 4 || 5":
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
 
@@ -3269,10 +3111,6 @@ set-immediate-shim@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz#4b2b1b27eb808a9f8dcc481a58e5e56f599f3f61"
 
-shellwords@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.0.tgz#66afd47b6a12932d9071cbfd98a52e785cd0ba14"
-
 sigmund@~1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/sigmund/-/sigmund-1.0.1.tgz#3ff21f198cad2175f9f3b781853fd94d0d19b590"
@@ -3418,10 +3256,6 @@ string-width@^1.0.1:
     is-fullwidth-code-point "^1.0.0"
     strip-ansi "^3.0.0"
 
-string.prototype.codepointat@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/string.prototype.codepointat/-/string.prototype.codepointat-0.2.0.tgz#6b26e9bd3afcaa7be3b4269b526de1b82000ac78"
-
 stringstream@~0.0.4:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
@@ -3774,12 +3608,6 @@ vinyl-assign@^1.0.1:
     object-assign "^4.0.1"
     readable-stream "^2.0.0"
 
-vinyl-bufferstream@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/vinyl-bufferstream/-/vinyl-bufferstream-1.0.1.tgz#0537869f580effa4ca45acb47579e4b9fe63081a"
-  dependencies:
-    bufferstreams "1.0.1"
-
 vinyl-fs@^0.3.0:
   version "0.3.14"
   resolved "https://registry.yarnpkg.com/vinyl-fs/-/vinyl-fs-0.3.14.tgz#9a6851ce1cac1c1cea5fe86c0931d620c2cfa9e6"
@@ -3815,7 +3643,7 @@ vinyl-fs@^2.1.1, vinyl-fs@^2.2.0:
     vali-date "^1.0.0"
     vinyl "^1.0.0"
 
-vinyl-sourcemaps-apply@^0.2.0, vinyl-sourcemaps-apply@^0.2.1:
+vinyl-sourcemaps-apply@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/vinyl-sourcemaps-apply/-/vinyl-sourcemaps-apply-0.2.1.tgz#ab6549d61d172c2b1b87be5c508d239c8ef87705"
   dependencies:
@@ -3874,7 +3702,7 @@ which-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
 
-which@^1.0.5, which@^1.2.10, which@^1.2.9, which@1:
+which@^1.2.10, which@^1.2.9, which@1:
   version "1.2.11"
   resolved "https://registry.yarnpkg.com/which/-/which-1.2.11.tgz#c8b2eeea6b8c1659fa7c1dd4fdaabe9533dc5e8b"
   dependencies: