fix 'package.skeleton' when source files supplied
fix 'package.skeleton' when source files supplied

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