Update to Drupal 8.1.2. For more information, see https://www.drupal.org/project/drupal/releases/8.1.2

core/lib/Drupal/Core/Extension/ExtensionDiscovery.php

@@ -14,9 +14,8 @@ use Symfony\Component\HttpFoundation\Request;
  * To also discover test modules, add
  * @code
  * $settings['extension_discovery_scan_tests'] = TRUE;
- * @encode
+ * @endcode
  * to your settings.php.
- *
  */
 class ExtensionDiscovery {
 
@@ -79,7 +78,7 @@ class ExtensionDiscovery {
   protected $profileDirectories;
 
   /**
-   * The app root.
+   * The app root for the current operation.
    *
    * @var string
    */
@@ -139,7 +138,7 @@ class ExtensionDiscovery {
    * To also find test modules, add
    * @code
    * $settings['extension_discovery_scan_tests'] = TRUE;
-   * @encode
+   * @endcode
    * to your settings.php.
    *
    * The information is returned in an associative array, keyed by the extension
@@ -209,12 +208,12 @@ class ExtensionDiscovery {
     $files = array();
     foreach ($searchdirs as $dir) {
       // Discover all extensions in the directory, unless we did already.
-      if (!isset(static::$files[$dir][$include_tests])) {
-        static::$files[$dir][$include_tests] = $this->scanDirectory($dir, $include_tests);
+      if (!isset(static::$files[$this->root][$dir][$include_tests])) {
+        static::$files[$this->root][$dir][$include_tests] = $this->scanDirectory($dir, $include_tests);
       }
       // Only return extensions of the requested type.
-      if (isset(static::$files[$dir][$include_tests][$type])) {
-        $files += static::$files[$dir][$include_tests][$type];
+      if (isset(static::$files[$this->root][$dir][$include_tests][$type])) {
+        $files += static::$files[$this->root][$dir][$include_tests][$type];
       }
     }
 
@@ -479,7 +478,7 @@ class ExtensionDiscovery {
       else {
         $filename = $name . '.' . $type;
       }
-      if (!file_exists(dirname($pathname) . '/' . $filename)) {
+      if (!file_exists($this->root . '/' . dirname($pathname) . '/' . $filename)) {
         $filename = NULL;
       }
 

core/lib/Drupal/Core/Extension/InfoParserInterface.php

@@ -5,7 +5,7 @@ namespace Drupal\Core\Extension;
 /**
  * Interface for classes that parses Drupal's info.yml files.
  */
-interface InfoParserInterface  {
+interface InfoParserInterface {
 
   /**
    * Parses Drupal module, theme and profile .info.yml files.

core/lib/Drupal/Core/Extension/ModuleInstallerInterface.php

@@ -21,7 +21,7 @@ interface ModuleInstallerInterface {
    * To install test modules add
    * @code
    * $settings['extension_discovery_scan_tests'] = TRUE;
-   * @encode
+   * @endcode
    * to your settings.php.
    *
    * @param string[] $module_list

core/lib/Drupal/Core/Extension/ModuleUninstallValidatorInterface.php

@@ -39,4 +39,5 @@ interface ModuleUninstallValidatorInterface {
    * @see template_preprocess_system_modules_uninstall()
    */
   public function validate($module);
+
 }

core/lib/Drupal/Core/Extension/ThemeHandler.php

@@ -54,7 +54,7 @@ class ThemeHandler implements ThemeHandlerInterface {
   protected $state;
 
   /**
-   *  The config installer to install configuration.
+   * The config installer to install configuration.
    *
    * @var \Drupal\Core\Config\ConfigInstallerInterface
    */
@@ -495,4 +495,5 @@ class ThemeHandler implements ThemeHandlerInterface {
     }
     return FALSE;
   }
+
 }

core/lib/Drupal/Core/Extension/ThemeHandlerInterface.php

@@ -21,7 +21,7 @@ interface ThemeHandlerInterface {
    *   Whether any of the given themes have been installed.
    *
    * @throws \Drupal\Core\Extension\ExtensionNameLengthException
-   *   Thrown when the theme name is to long
+   *   Thrown when the theme name is to long.
    *
    * @deprecated in Drupal 8.0.x-dev and will be removed before Drupal 9.0.0.
    *   Use the theme_installer service instead.

core/lib/Drupal/Core/Extension/ThemeInstallerInterface.php

@@ -21,7 +21,7 @@ interface ThemeInstallerInterface {
    *   Whether any of the given themes have been installed.
    *
    * @throws \Drupal\Core\Extension\ExtensionNameLengthException
-   *   Thrown when the theme name is to long
+   *   Thrown when the theme name is to long.
    */
   public function install(array $theme_list, $install_dependencies = TRUE);
 

core/lib/Drupal/Core/Extension/module.api.php

@@ -81,7 +81,7 @@ use Drupal\Core\Utility\UpdateException;
  *
  * See system_hook_info() for all hook groups defined by Drupal core.
  *
- * @see hook_hook_info_alter().
+ * @see hook_hook_info_alter()
  */
 function hook_hook_info() {
   $hooks['token_info'] = array(