API: Ability to set cwd for .jshintignore lookup.
API: Ability to set cwd for .jshintignore lookup.

davidjb/jshint,fashionsun/jshint,laurensortiz/jshint,meh-uk/jshint,yyx990803/jshint,stevemao/jshint,fashionsun/jshint,mrjoelkemp/jshint,paragag/AntiRedis,freeyiyi1993/jshint,crivas/jshint,zynick/jshint,wisavalite/jshint,paul-wade/jshint,behind2/jshint,paul-wade/jshint,aisk/jshint,jagdeesh109/jshint,wzup/jshint,luisbrito/jshint,llucbrell/jshint,silverwind/jshint,nitinlal/jshint,jonnyreeves/jshint,gameclosure/jsiohint,alivesay/jshint,marian-r/jshint,kidaa/jshint,davidjb/jshint,n8io/jshint,pansay/jshint,beni55/jshint,darongE/jshint,BridgeAR/jshint,nicolo-ribaudo/jshint,mohsen1/jshint,paladox/jshint,mohsen1/jshint,behind2/jshint,nicolo-ribaudo/jshint,scottsmeester/jshint,elkingtonmcb/jshint,mcanthony/jshint,niedzielski/jshint,lukeapage/jshint,rwaldron/jshint,louwers/jshint,niedzielski/jshint,n8io/jshint,supriyantomaftuh/jshint,Endika/jshint,AndriiGro/jshint,AndriiGro/jshint,Joy603/jshint,laurensortiz/jshint,alivesay/jshint,max789/jshint,jshint/jshint,Endika/jshint,Jeremy017/jshint,luisbrito/jshint,aisk/jshint,mrjoelkemp/jshint,doggy8088/jshint,Jeremy017/jshint,jugglinmike/jshint,wzup/jshint,ljharb/jshint,elkingtonmcb/jshint,yadimon/jshint,yadimon/jshint,gloryknight/jshint,lovemeblender/jshint,supriyantomaftuh/jshint,freeyiyi1993/jshint,crivas/jshint,scottsmeester/jshint,stevemao/jshint,mcanthony/jshint,marian-r/jshint,jugglinmike/jshint,cnbin/jshint,pansay/jshint,BridgeAR/jshint,jagdeesh109/jshint,wisavalite/jshint,shreyasgaonkar/jshint,kangax/jshint,thomas658/jshint,beni55/jshint,lukeapage/jshint,llucbrell/jshint,ThiagoGarciaAlves/jshint,gtanner/jshint,jshint/jshint,nitinlal/jshint,doggy8088/jshint,Joy603/jshint,max789/jshint,ljharb/jshint,shreyasgaonkar/jshint,louwers/jshint,gtanner/jshint,kidaa/jshint,cnbin/jshint,thomas658/jshint