crant reference
Merge branch 'stable-0.5'
Merge branch 'stable-0.5'

Conflicts:
	README.md
use R-travis to install and run scripts
clone R-travis for user and not for root
no fancy for loop
RTRAVISPATH
integrate craigcitro/r-travis
escape
don't need to mention rename explicitly?
add unit tests using testthat
warnings are errors
use UTF-8 encoding
Update to stable-0.5
pointer to r-travis
bump version
don't need Collate field
tell roxygen not to wrap
Roxygenize
Roxygenize