get rid of deprecated code (though I think that if someone deprecates something he should migrates usages in our code himself)
IDEA-99906 org.zmlx.hg4idea.command.HgRevisionsCommand#execute should check result for errors

*If HgRevisionsCommand.execute() has errors, it produce HgCommandException to the client  instead of the List of HgFileRevisions.
*Fixed IndexOutOfBoundsException in HgCachingCommitedChangesProvider.getCommittedChangesForRevision method.
Tests fixed
fix regex bug and fix test