Proper hit testing for translated layers.
Proper hit testing for translated layers.

Fixes #22
geminiyellow/react-canvas,TribeMedia/react-canvas,jacobbubu/react-canvas,freeyiyi1993/react-canvas,fegg/react-canvas,no13bus/react-canvas,kirbyk/react-canvas,insionng/react-canvas,louiscloutierdakis/react-canvas,burakkp/react-canvas,meilixie/react-canvas,acenode/react-canvas,qq644531343/react-canvas,Flipboard/react-canvas,slalx/react-canvas,oursky/react-canvas,pandoraui/react-canvas,slalx/react-canvas,no13bus/react-canvas,jmgaya/react-canvas,qq644531343/react-canvas,iZobs/react-canvas,fdecampredon/react-canvas,issuu/react-canvas,fdecampredon/react-canvas,nolman/react-canvas,burakkp/react-canvas,fegg/react-canvas,andrewho83/react-canvas,Suninus/react-canvas,codrin-iftimie/react-canvas,geminiyellow/react-canvas,hesling/react-canvas,vyorkin-forks/react-canvas,alokg95/react-canvas,hetony/react-canvas,nd0ut/react-canvas,kenwheeler/react-canvas,putaoteng/react-canvas,joshbedo/react-canvas,jianglu/react-canvas,arnaudmolo/react-canvas,yufi113/react-canvas,pedroha/react-canvas,VonD/react-canvas,duncanhsieh/react-canvas,jacobbubu/react-canvas,gre/react-canvas,alvinsj/react-canvas,Diaosir/react-canvas,ilijian/react-canvas,Jonekee/react-canvas,TribeMedia/react-canvas,mbrgm/react-canvas,codrin-iftimie/react-canvas,AprilArcus/react-canvas,shallaa/react-canvas,Htmldog/react-canvas,jmgaya/react-canvas,horryq/react-canvas,jianglu/react-canvas,tejitak/react-canvas,alvinsj/react-canvas,insionng/react-canvas,jtweku/react-canvas,Diaosir/react-canvas,tejitak/react-canvas,mbrgm/react-canvas,joshbedo/react-canvas,mcanthony/react-canvas,ChristopherSalam/react-canvas,pandoraui/react-canvas,mjohnston/react-canvas,mjohnston/react-canvas,IChocolateKapa/react-canvas,aaronucsd/react-canvas,kenwheeler/react-canvas,jtweku/react-canvas,rsnorman/react-canvas,freeyiyi1993/react-canvas,stlk/react-canvas,Suninus/react-canvas,sean0402/react-canvas