Update Changelog for 0.5.0 release
Update Changelog for 0.5.0 release

shiftcars/flow,MetaStackers/flow,MichaelDeBoey/flow,gabro/flow,samwgoldman/flow,asivitz/flow,JonathanUsername/flow,AprilArcus/flow,jdelStrother/flow,paulshen/flow,MetaStackers/flow,matklad/flow,runn1ng/flow,JonathanUsername/flow,AprilArcus/flow,matklad/flow,MichaelDeBoey/flow,gabelevi/flow,jamesgpearce/flow,facebook/flow,nmote/flow,gabro/flow,ForbesLindesay/flow,jdelStrother/flow,d14b3l/flow,gabelevi/flow,YelaSeamless/flow,mcanthony/flow-type,rafaelstz/flow,siddhartharay007/flow,OCamlPro/flow,jgrund/flow,samwgoldman/flow,AgentME/flow,jdelStrother/flow,JonathanUsername/flow,fletcherw/flow,jamesgpearce/flow,claudiopro/flow,samwgoldman/flow,nmote/flow,Drooids/flow,ianobermiller/flow,lyip1992/flow,popham/flow,ForbesLindesay/flow,OCamlPro/flow,zpao/flow,cesarandreu/flow,Wanderfalke/flow,ylu1317/flow,samwgoldman/flow,jamesgpearce/flow,davidmason/flow,Fresheyeball/flow,d14b3l/flow,siddhartharay007/flow,AgentME/flow,JohnyDays/flow,popham/flow,AgentME/flow,matklad/flow,popham/flow,nmote/flow,runn1ng/flow,TiddoLangerak/flow,shiftcars/flow,ylu1317/flow,gabelevi/flow,CJstar/flow,popham/flow,chenglou/flow,jeffmo/flow,zpao/flow,gabelevi/flow,dv/flow,jeffutter/flow,fletcherw/flow,paulshen/flow,KevinTCoughlin/flow,ianobermiller/flow,KevinTCoughlin/flow,darioajr/flow,TiddoLangerak/flow,Jericho25/flow,samwgoldman/flow,Eyyub/flow,jgrund/flow,JohnyDays/flow,davidmason/flow,Wanderfalke/flow,chenglou/flow,JohnyDays/flow,facebook/flow,matklad/flow,jgrund/flow,AprilArcus/flow,claudiopro/flow,jeffmo/flow,d14b3l/flow,asivitz/flow,paulshen/flow,Drooids/flow,JonathanUsername/flow,gabelevi/flow,claudiopro/flow,claudiopro/flow,Jericho25/flow,KevinTCoughlin/flow,MichaelDeBoey/flow,chenglou/flow,ForbesLindesay/flow,jeffmo/flow,TiddoLangerak/flow,mroch/flow,Fresheyeball/flow,OCamlPro/flow,TiddoLangerak/flow,rafaelstz/flow,JonathanUsername/flow,lyip1992/flow,CJstar/flow,KevinTCoughlin/flow,YelaSeamless/flow,mcanthony/flow-type,popham/flow,shiftcars/flow,runn1ng/flow,jamesgpearce/flow,shiftcars/flow,dv/flow,JeckoHeroOrg/flow,facebook/flow,ForbesLindesay/flow,nmote/flow,dv/flow,ForbesLindesay/flow,davidmason/flow,facebook/flow,mroch/flow,danvk/flow,popham/flow,chenglou/flow,danvk/flow,chenglou/flow,nmote/flow,mcanthony/flow-type,YelaSeamless/flow,AprilArcus/flow,YelaSeamless/flow,facebook/flow,Fresheyeball/flow,jgrund/flow,chenglou/flow,asivitz/flow,Wanderfalke/flow,jeffmo/flow,YelaSeamless/flow,JeckoHeroOrg/flow,jdelStrother/flow,zpao/flow,zpao/flow,jeffmo/flow,nmote/flow,jeffmo/flow,gabro/flow,ianobermiller/flow,Drooids/flow,lyip1992/flow,cesarandreu/flow,JonathanUsername/flow,popham/flow,jgrund/flow,samwgoldman/flow,gabelevi/flow,darioajr/flow,lyip1992/flow,danvk/flow,AprilArcus/flow,MetaStackers/flow,CJstar/flow,ylu1317/flow,fletcherw/flow,ylu1317/flow,d14b3l/flow,AgentME/flow,claudiopro/flow,MichaelDeBoey/flow,mroch/flow,gabelevi/flow,d14b3l/flow,JonathanUsername/flow,jeffutter/flow,graue/flow,fletcherw/flow,Eyyub/flow,cesarandreu/flow,paulshen/flow,gabro/flow,d14b3l/flow,jdelStrother/flow,graue/flow,davidmason/flow,rafaelstz/flow,mroch/flow,ylu1317/flow,rafaelstz/flow,nmote/flow,JeckoHeroOrg/flow,Wanderfalke/flow,jdelStrother/flow,dv/flow,OCamlPro/flow,asivitz/flow,runn1ng/flow,jgrund/flow,darioajr/flow,davidmason/flow,shiftcars/flow,JeckoHeroOrg/flow,rafaelstz/flow,JeckoHeroOrg/flow,mroch/flow,siddhartharay007/flow,samwgoldman/flow,Eyyub/flow,MichaelDeBoey/flow,facebook/flow,mroch/flow,gabro/flow,graue/flow,siddhartharay007/flow,ianobermiller/flow,Drooids/flow,gabro/flow,darioajr/flow,jamesgpearce/flow,shiftcars/flow,matklad/flow,jeffutter/flow,jeffutter/flow,AprilArcus/flow,graue/flow,jamesgpearce/flow,AgentME/flow,jamesgpearce/flow,JohnyDays/flow,facebook/flow,graue/flow,mcanthony/flow-type,MetaStackers/flow,TiddoLangerak/flow,ForbesLindesay/flow,Eyyub/flow,fletcherw/flow,mroch/flow,cesarandreu/flow,graue/flow,Jericho25/flow,CJstar/flow,Fresheyeball/flow,fletcherw/flow,danvk/flow