install on mac
don't tidy R script
Update README.md
Updated the collaboration exercise
Merge branch 'master' of https://github.com/lgatto/rbc
Updated  push/pull in Collaboration
rpd link
Merge branch 'master' of github.com:lgatto/rbc
r pkg makefile
tidy=FALSE prevents code wrapping
roxygen target needs TAB.
update Makefile
Merge pull request #1 from lgatto/master

update