fixes for source tree traversal / removal
fixes for source tree traversal / removal

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