diff --git a/lib/public/app.php b/lib/public/app.php
index acb401a1d34027d4ac206403186179506e01cee9..809a656f17f52da143e27c105295a677345b7079 100644
--- a/lib/public/app.php
+++ b/lib/public/app.php
@@ -34,109 +34,109 @@ namespace OCP;
  * This class provides functions to manage apps in ownCloud
  */
 class App {
-		/**
-		 * @brief Makes owncloud aware of this app
-		 * @brief This call is deprecated and not necessary to use.
-		 * @param $data array with all information
-		 * @returns true/false
-		 *
-		 * @deprecated this method is deprecated
-		 * Do not call it anymore
-		 * It'll remain in our public API for compatibility reasons
-		 *
-		 */
-		public static function register( $data ) {
-			return true; // don't do anything
-		}
+	/**
+	 * @brief Makes owncloud aware of this app
+	 * @brief This call is deprecated and not necessary to use.
+	 * @param $data array with all information
+	 * @returns true/false
+	 *
+	 * @deprecated this method is deprecated
+	 * Do not call it anymore
+	 * It'll remain in our public API for compatibility reasons
+	 *
+	 */
+	public static function register( $data ) {
+		return true; // don't do anything
+	}
 
-		/**
-		 * @brief adds an entry to the navigation
-		 * @param $data array containing the data
-		 * @returns true/false
-		 *
-		 * This function adds a new entry to the navigation visible to users. $data
-		 * is an associative array.
-		 * The following keys are required:
-		 *   - id: unique id for this entry ('addressbook_index')
-		 *   - href: link to the page
-		 *   - name: Human readable name ('Addressbook')
-		 *
-		 * The following keys are optional:
-		 *   - icon: path to the icon of the app
-		 *   - order: integer, that influences the position of your application in
-		 *	 the navigation. Lower values come first.
-		 */
-		public static function addNavigationEntry( $data ) {
-			return \OC_App::addNavigationEntry( $data );
-		}
+	/**
+	 * @brief adds an entry to the navigation
+	 * @param $data array containing the data
+	 * @returns true/false
+	 *
+	 * This function adds a new entry to the navigation visible to users. $data
+	 * is an associative array.
+	 * The following keys are required:
+	 *   - id: unique id for this entry ('addressbook_index')
+	 *   - href: link to the page
+	 *   - name: Human readable name ('Addressbook')
+	 *
+	 * The following keys are optional:
+	 *   - icon: path to the icon of the app
+	 *   - order: integer, that influences the position of your application in
+	 *	 the navigation. Lower values come first.
+	 */
+	public static function addNavigationEntry( $data ) {
+		return \OC_App::addNavigationEntry( $data );
+	}
 
-		/**
-		 * @brief marks a navigation entry as active
-		 * @param $id id of the entry
-		 * @returns true/false
-		 *
-		 * This function sets a navigation entry as active and removes the 'active'
-		 * property from all other entries. The templates can use this for
-		 * highlighting the current position of the user.
-		 */
-		public static function setActiveNavigationEntry( $id ) {
-			return \OC_App::setActiveNavigationEntry( $id );
-		}
+	/**
+	 * @brief marks a navigation entry as active
+	 * @param $id id of the entry
+	 * @returns true/false
+	 *
+	 * This function sets a navigation entry as active and removes the 'active'
+	 * property from all other entries. The templates can use this for
+	 * highlighting the current position of the user.
+	 */
+	public static function setActiveNavigationEntry( $id ) {
+		return \OC_App::setActiveNavigationEntry( $id );
+	}
 
-		/**
-		 * @brief Register a Configuration Screen that should appear in the personal settings section.
-		 * @param $app string appid
-		 * @param $page string page to be included
-		*/
-		public static function registerPersonal( $app, $page ) {
-			return \OC_App::registerPersonal( $app, $page );
-		}
+	/**
+	 * @brief Register a Configuration Screen that should appear in the personal settings section.
+	 * @param $app string appid
+	 * @param $page string page to be included
+	*/
+	public static function registerPersonal( $app, $page ) {
+		return \OC_App::registerPersonal( $app, $page );
+	}
 
-		/**
-		 * @brief Register a Configuration Screen that should appear in the Admin section.
-		 * @param $app string appid
-		 * @param $page string page to be included
-		 */
-		public static function registerAdmin( $app, $page ) {
-			return \OC_App::registerAdmin( $app, $page );
-		}
+	/**
+	 * @brief Register a Configuration Screen that should appear in the Admin section.
+	 * @param $app string appid
+	 * @param $page string page to be included
+	 */
+	public static function registerAdmin( $app, $page ) {
+		return \OC_App::registerAdmin( $app, $page );
+	}
 
-		/**
-		 * @brief Read app metadata from the info.xml file
-		 * @param string $app id of the app or the path of the info.xml file
-		 * @param boolean path (optional)
-		 * @returns array
-		*/
-		public static function getAppInfo( $app, $path=false ) {
-			return \OC_App::getAppInfo( $app, $path);
-		}
+	/**
+	 * @brief Read app metadata from the info.xml file
+	 * @param string $app id of the app or the path of the info.xml file
+	 * @param boolean path (optional)
+	 * @returns array
+	*/
+	public static function getAppInfo( $app, $path=false ) {
+		return \OC_App::getAppInfo( $app, $path);
+	}
 
-		/**
-		 * @brief checks whether or not an app is enabled
-		 * @param $app app
-		 * @returns true/false
-		 *
-		 * This function checks whether or not an app is enabled.
-		 */
-		public static function isEnabled( $app ) {
-			return \OC_App::isEnabled( $app );
-		}
+	/**
+	 * @brief checks whether or not an app is enabled
+	 * @param $app app
+	 * @returns true/false
+	 *
+	 * This function checks whether or not an app is enabled.
+	 */
+	public static function isEnabled( $app ) {
+		return \OC_App::isEnabled( $app );
+	}
 
-		/**
-		 * @brief Check if the app is enabled, redirects to home if not
-		 * @param $app app
-		 * @returns true/false
-		*/
-		public static function checkAppEnabled( $app ) {
-			return \OC_Util::checkAppEnabled( $app );
-		}
+	/**
+	 * @brief Check if the app is enabled, redirects to home if not
+	 * @param $app app
+	 * @returns true/false
+	*/
+	public static function checkAppEnabled( $app ) {
+		return \OC_Util::checkAppEnabled( $app );
+	}
 
-		/**
-		 * @brief Get the last version of the app, either from appinfo/version or from appinfo/info.xml
-		 * @param $app app
-		 * @returns true/false
-		 */
-		public static function getAppVersion( $app ) {
-			return \OC_App::getAppVersion( $app );
-		}
+	/**
+	 * @brief Get the last version of the app, either from appinfo/version or from appinfo/info.xml
+	 * @param $app app
+	 * @returns true/false
+	 */
+	public static function getAppVersion( $app ) {
+		return \OC_App::getAppVersion( $app );
+	}
 }