Highlight any brackets which touches the cursor.
Merge commit '4b240d1111391290651d220227ad4ec623b17e58' into Highlighting
Merge remote-tracking branch 'origin/Highlighting' into hardcase_work

Conflicts:
	snippets/VS2010/Nemerle.VisualStudio/LanguageService/Highlighting/MatchingBracesTagger/MatchingBracesTaggerProvider.cs