Updated mediawiki/extensions
Project: mediawiki/extensions/BetaFeatures  2fc986431874419b5c81b3d7eed3ac1630fb4b04

Add $wgBetaFeatures, allowing non-hook registration of beta features

Since there isn't often a compelling reason to delay beta feature registration
to a hook handler, allow beta features to be registered by directly adding
entries to an associative array.

Change-Id: I53e854add2c092a02d5aec48e999f162939d18ac