Merge pull request #5133 from owncloud/js_vcategories_to_tags

core/ajax/vcategories/add.php

core/ajax/vcategories/addToFavorites.php

core/ajax/vcategories/delete.php

core/ajax/vcategories/edit.php

core/ajax/vcategories/favorites.php

core/ajax/vcategories/removeFromFavorites.php

core/css/jquery.ocdialog.css

core/css/styles.css

core/js/oc-vcategories.js

core/js/oc-vcategories.txt

core/js/tags.js

core/routes.php

core/tags/controller.php

core/templates/edit_categories_dialog.php

core/templates/tags.html