* use Config::get_self_url() instead of get_self_url_prefix() in a bunch
of places

1. remove unnecessary data from exported filters
2. fix import of filter rules matching on categories

This reverts commit f5d174bd.

This reverts commit 0bf7e007.

opml: update filter export/import for new format

fix some unresolved functions

+       static function catchup_feed($feed, $cat_view, $owner_uid = false, $mode = 'all', $search = false) {
+       static function getFeedArticles($feed, $is_cat = false, $unread_only = false,
+       static function subscribe_to_feed($url, $cat_id = 0,
+       static function getFeedIcon($id) {
+       static function getFeedTitle($id, $cat = false) {
+       static function getCategoryUnread($cat, $owner_uid = false) {
+       static function getCategoryChildrenUnread($cat, $owner_uid = false) {

update gitlab-ci config

This reverts commit 631c0676.

See http://feedvalidator.org/docs/warning/MissingTitleAttr.html