use git root relative paths for stage/unstage of deleted files on osx
use git root relative paths for stage/unstage of deleted files on osx

suribes/rstudio,githubfun/rstudio,suribes/rstudio,john-r-mcpherson/rstudio,edrogers/rstudio,thklaus/rstudio,jar1karp/rstudio,vbelakov/rstudio,thklaus/rstudio,jrnold/rstudio,pssguy/rstudio,jzhu8803/rstudio,Sage-Bionetworks/rstudio,brsimioni/rstudio,jrnold/rstudio,jzhu8803/rstudio,edrogers/rstudio,tbarrongh/rstudio,john-r-mcpherson/rstudio,suribes/rstudio,thklaus/rstudio,Sage-Bionetworks/rstudio,jzhu8803/rstudio,vbelakov/rstudio,brsimioni/rstudio,tbarrongh/rstudio,vbelakov/rstudio,nvoron23/rstudio,Sage-Bionetworks/rstudio,githubfun/rstudio,piersharding/rstudio,maligulzar/Rstudio-instrumented,sfloresm/rstudio,vbelakov/rstudio,jrnold/rstudio,more1/rstudio,Sage-Bionetworks/rstudio,thklaus/rstudio,brsimioni/rstudio,jzhu8803/rstudio,vbelakov/rstudio,Sage-Bionetworks/rstudio,githubfun/rstudio,tbarrongh/rstudio,suribes/rstudio,JanMarvin/rstudio,nvoron23/rstudio,JanMarvin/rstudio,vbelakov/rstudio,more1/rstudio,nvoron23/rstudio,githubfun/rstudio,maligulzar/Rstudio-instrumented,more1/rstudio,john-r-mcpherson/rstudio,piersharding/rstudio,maligulzar/Rstudio-instrumented,pssguy/rstudio,Sage-Bionetworks/rstudio,maligulzar/Rstudio-instrumented,edrogers/rstudio,maligulzar/Rstudio-instrumented,pssguy/rstudio,john-r-mcpherson/rstudio,jar1karp/rstudio,githubfun/rstudio,john-r-mcpherson/rstudio,sfloresm/rstudio,githubfun/rstudio,tbarrongh/rstudio,maligulzar/Rstudio-instrumented,JanMarvin/rstudio,tbarrongh/rstudio,more1/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,suribes/rstudio,jrnold/rstudio,sfloresm/rstudio,nvoron23/rstudio,sfloresm/rstudio,pssguy/rstudio,jzhu8803/rstudio,brsimioni/rstudio,john-r-mcpherson/rstudio,vbelakov/rstudio,jar1karp/rstudio,pssguy/rstudio,jar1karp/rstudio,maligulzar/Rstudio-instrumented,tbarrongh/rstudio,john-r-mcpherson/rstudio,jrnold/rstudio,nvoron23/rstudio,JanMarvin/rstudio,sfloresm/rstudio,suribes/rstudio,jar1karp/rstudio,piersharding/rstudio,thklaus/rstudio,suribes/rstudio,brsimioni/rstudio,thklaus/rstudio,piersharding/rstudio,Sage-Bionetworks/rstudio,piersharding/rstudio,jar1karp/rstudio,brsimioni/rstudio,brsimioni/rstudio,nvoron23/rstudio,jrnold/rstudio,tbarrongh/rstudio,nvoron23/rstudio,maligulzar/Rstudio-instrumented,suribes/rstudio,jzhu8803/rstudio,more1/rstudio,jar1karp/rstudio,john-r-mcpherson/rstudio,thklaus/rstudio,githubfun/rstudio,edrogers/rstudio,jar1karp/rstudio,more1/rstudio,more1/rstudio,sfloresm/rstudio,edrogers/rstudio,piersharding/rstudio,brsimioni/rstudio,jrnold/rstudio,edrogers/rstudio,edrogers/rstudio,piersharding/rstudio,sfloresm/rstudio,tbarrongh/rstudio,maligulzar/Rstudio-instrumented,JanMarvin/rstudio,piersharding/rstudio,jrnold/rstudio,jrnold/rstudio,pssguy/rstudio,JanMarvin/rstudio,pssguy/rstudio,pssguy/rstudio,JanMarvin/rstudio,jzhu8803/rstudio,more1/rstudio,jzhu8803/rstudio,edrogers/rstudio,thklaus/rstudio,piersharding/rstudio,githubfun/rstudio,vbelakov/rstudio,sfloresm/rstudio,jar1karp/rstudio