* Added $wgCountTotalSearchHits to make search UI display total number of hits
with some search engines.
* Added $wgAdvertisedFeedTypes to decide what feed types (RSS, Atom, both, or
- neither) MediaWiki advertises. Default is array( 'rss' ), so Atom is no
+ neither) MediaWiki advertises. Default is array( 'atom' ), so RSS is no
longer advertised by default (but it still works).