Added more filter options to $wgRCFeeds

Changed RecentChange::notifyRCFeeds() to allow more
filter options than just omit_bots. In order to mirror
the on-wiki Special:RecentChanges UI, the options
omit_anon, omit_user, omit_minor, omit_patrolled were added,
which omits anonymous, registered, minor, and patrolled
edits, respectively.

Bug: 60941
Change-Id: I716c741f1f7d42b6506a97e9a5733beac23ac16c
Merge "Added more filter options to $wgRCFeeds"