Allow the ORES extension features to be 'on' by default
Introducing $wgOresExtensionStatus, it takes the following values
'on': all ORES extension features are turned on 'beta': (same as current behavior) it adds the beta feature which can be enabled by individual users <anything else>: means it is turned off
Rephrased 'hide probably good edits from rc|watchlist' preferenced
as per the ticket.
Added new preference to control highlighting of potentially damaging edits.
Moved 'oresWatchlistHideNonDamaging' preference to 'watchlist/advancedwatchlist' section.