Colorize test output
Colorize test output

Summary: <img width="238" alt="screen shot 2015-07-28 at 3 03 31 pm" src="https://cloud.githubusercontent.com/assets/3012/8945237/9e2c9512-353a-11e5-924d-a8ec3cb876c3.png">

Closes https://github.com/facebook/flow/pull/670

Reviewed By: @jeffmo

Differential Revision: D2291553

Pulled By: @mroch

asivitz/flow,lyip1992/flow,KevinTCoughlin/flow,samwgoldman/flow,fletcherw/flow,AprilArcus/flow,Eyyub/flow,gabro/flow,OCamlPro/flow,ianobermiller/flow,graue/flow,shiftcars/flow,jeffutter/flow,mroch/flow,claudiopro/flow,TiddoLangerak/flow,JeckoHeroOrg/flow,JonathanUsername/flow,mroch/flow,asivitz/flow,rafaelstz/flow,siddhartharay007/flow,jamesgpearce/flow,ForbesLindesay/flow,jgrund/flow,graue/flow,ForbesLindesay/flow,TiddoLangerak/flow,jdelStrother/flow,jamesgpearce/flow,CJstar/flow,ianobermiller/flow,popham/flow,popham/flow,fletcherw/flow,ForbesLindesay/flow,jdelStrother/flow,mroch/flow,MichaelDeBoey/flow,shiftcars/flow,jdelStrother/flow,ForbesLindesay/flow,MichaelDeBoey/flow,jgrund/flow,rafaelstz/flow,jdelStrother/flow,facebook/flow,jeffmo/flow,darioajr/flow,Drooids/flow,ylu1317/flow,siddhartharay007/flow,rafaelstz/flow,asivitz/flow,AprilArcus/flow,jeffutter/flow,fletcherw/flow,facebook/flow,Eyyub/flow,shiftcars/flow,graue/flow,JohnyDays/flow,Eyyub/flow,samwgoldman/flow,TiddoLangerak/flow,Fresheyeball/flow,lyip1992/flow,gabelevi/flow,nmote/flow,chenglou/flow,dv/flow,JohnyDays/flow,jgrund/flow,matklad/flow,ianobermiller/flow,gabro/flow,jamesgpearce/flow,OCamlPro/flow,CJstar/flow,Drooids/flow,danvk/flow,JonathanUsername/flow,JeckoHeroOrg/flow,fletcherw/flow,KevinTCoughlin/flow,Wanderfalke/flow,AgentME/flow,nmote/flow,shiftcars/flow,Wanderfalke/flow,danvk/flow,OCamlPro/flow,paulshen/flow,JonathanUsername/flow,popham/flow,KevinTCoughlin/flow,samwgoldman/flow,JeckoHeroOrg/flow,gabelevi/flow,jeffmo/flow,JeckoHeroOrg/flow,jeffmo/flow,nmote/flow,d14b3l/flow,mroch/flow,fletcherw/flow,jamesgpearce/flow,gabelevi/flow,d14b3l/flow,rafaelstz/flow,darioajr/flow,Fresheyeball/flow,JonathanUsername/flow,MichaelDeBoey/flow,popham/flow,darioajr/flow,chenglou/flow,popham/flow,JohnyDays/flow,mcanthony/flow-type,mroch/flow,siddhartharay007/flow,claudiopro/flow,shiftcars/flow,chenglou/flow,asivitz/flow,AgentME/flow,jamesgpearce/flow,gabro/flow,JonathanUsername/flow,claudiopro/flow,TiddoLangerak/flow,AprilArcus/flow,Wanderfalke/flow,dv/flow,jgrund/flow,graue/flow,matklad/flow,rafaelstz/flow,jeffmo/flow,claudiopro/flow,nmote/flow,samwgoldman/flow,graue/flow,graue/flow,darioajr/flow,jdelStrother/flow,jamesgpearce/flow,mcanthony/flow-type,paulshen/flow,d14b3l/flow,chenglou/flow,facebook/flow,Fresheyeball/flow,facebook/flow,jdelStrother/flow,jgrund/flow,nmote/flow,siddhartharay007/flow,AgentME/flow,dv/flow,gabro/flow,Eyyub/flow,ylu1317/flow,AprilArcus/flow,TiddoLangerak/flow,d14b3l/flow,mroch/flow,popham/flow,MichaelDeBoey/flow,gabro/flow,AgentME/flow,cesarandreu/flow,AgentME/flow,gabelevi/flow,gabelevi/flow,jeffutter/flow,ylu1317/flow,matklad/flow,JeckoHeroOrg/flow,JonathanUsername/flow,chenglou/flow,lyip1992/flow,KevinTCoughlin/flow,CJstar/flow,gabelevi/flow,mcanthony/flow-type,Drooids/flow,gabelevi/flow,samwgoldman/flow,ylu1317/flow,MichaelDeBoey/flow,paulshen/flow,cesarandreu/flow,samwgoldman/flow,Fresheyeball/flow,CJstar/flow,nmote/flow,JohnyDays/flow,facebook/flow,facebook/flow,mcanthony/flow-type,danvk/flow,cesarandreu/flow,ForbesLindesay/flow,jgrund/flow,JonathanUsername/flow,shiftcars/flow,AprilArcus/flow,jeffutter/flow,facebook/flow,matklad/flow,d14b3l/flow,samwgoldman/flow,ianobermiller/flow,cesarandreu/flow,jeffmo/flow,OCamlPro/flow,mroch/flow,jamesgpearce/flow,claudiopro/flow,dv/flow,paulshen/flow,danvk/flow,d14b3l/flow,Drooids/flow,matklad/flow,AprilArcus/flow,gabro/flow,chenglou/flow,lyip1992/flow,Wanderfalke/flow,fletcherw/flow,ForbesLindesay/flow,nmote/flow,popham/flow,ylu1317/flow,jeffmo/flow