Adds a role for installing R
Adds a role for env vars
Fixes files naming
Better vagrant file
Adds proper quotes to r-lang
More naming fixes
Add ssh agent forwarding
Adds my public key
Updates osf role in various ways
Adds a role for installing R
Merge branch 'chrisseto-master'

This reverts Vagrantfile

Conflicts:
	Vagrantfile
	roles/r-lang/tasks/main.yml