simplify parseOpts
simplify parseOpts

jasonpincin/standard,standard/standard,SimenB/standard,beni55/standard,JedWatson/happiness,John-Lin/standard,mnquintana/standard,reggi/standard,feross/standard,Flet/standard-engine,pombredanne/standard-1,standard/standard,bradparks/standard,tjwudi/standard,TheLady/standard,leecade/standard,LinusU/standard-engine,medseek-engineering/standard,watson/standard-engine,febeling/standard,LinusU/standard,yudiutomo/standard,Flet/standard,yamafaktory/standard,SimenB/standard,icemobilelab/icemobile-standard,keis/standard,cesarandreu/standard,Holowaychitos/standard,ricardofbarros/standard,tk120404/standard,kublaj/standard,feross/standard,stevemao/standard,LinusU/standard,matthieuprat/standard,JedWatson/happiness,koddsson/standard