Update mocha dependency to version 0.12.5
Update mocha dependency to version 0.12.5

jasnow/follow-all,jasnow/follow-all,codeforamerica/follow-all,jasnow/follow-all,codeforamerica/follow-all,BryanH/follow-all,BryanH/follow-all,BryanH/follow-all,codeforamerica/follow-all