Move comments, systemtags and updatenotifications to PSR-4

apps/systemtags/appinfo/info.xml

@@ -11,6 +11,7 @@
 	<dependencies>
 		<owncloud min-version="9.1" max-version="9.1" />
 	</dependencies>
+	<namespace>SystemTags</namespace>
 	<types>
 		<logging/>
 	</types>

apps/updatenotification/appinfo/info.xml

@@ -6,6 +6,7 @@
 	<licence>AGPL</licence>
 	<author>Lukas Reschke</author>
 	<version>0.2.0</version>
+	<namespace>UpdateNotification</namespace>
 	<default_enable/>
 	<dependencies>
 		<owncloud min-version="9.1" max-version="9.1" />

apps/updatenotification/appinfo/routes.php

@@ -19,7 +19,7 @@
  *
  */
 
-namespace OCA\UpdateNotification\AppInfo;
+use OCA\UpdateNotification\AppInfo\Application;
 
 $application = new Application();
 $application->registerRoutes($this, ['routes' => [