Making storage indexable
Making storage indexable

Summary: Note: this is not at all tested, I just copy-pasted the indexing line
Closes https://github.com/facebook/flow/pull/575

Reviewed By: @jeffmo

Differential Revision: D2198671

Pulled By: @mroch

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