new sorters
register all sorters for available plugins table
remote table header
avoid boxing/unboxing (following CR-IC-4606)
IDEA-121403 Live Template: "Surround with tag" should not be applicable while editing XmlAttributeValue
vcs notification structure refactored and common integration enabler  provided f
or mercurial vcs IDEA-120440

*vcsNotifier used for create and show all vcs notifications;
*only one method overridden for appropriate TestVcsNotifier;
*notifications returned as result of all notification methods for external expire-ability;
*git integration enabler test changed;
*getNotificator method removed from PlatformFacade;
*PlatformFacade removed from parameters if possible;
*annotations added