adding R 3.1.2
Merge pull request #125 from antgonza/new-r

adding R 3.1.2
Revert "adding R 3.1.2"
Merge pull request #126 from qiime/revert-125-new-r

Revert "adding R 3.1.2"
Revert "Revert "adding R 3.1.2""
Merge pull request #127 from qiime/revert-126-revert-125-new-r

Revert "Revert "adding R 3.1.2""