Merge pull request #310 from rocker-org/master

Add an official image for r-base (R language)

library/r-base

@@ -0,0 +1,6 @@
+# maintainer: "Carl Boettiger" <[email protected]> (@cboettig)
+# maintainer: "Dirk Eddelbuettel" <[email protected]> (@eddelbuettel)
+
+latest: git://github.com/rocker-org/rocker@105fca2b42051c5cd0894da31839c99a9b7de320 debian/r-base
+3.1.2: git://github.com/rocker-org/rocker@105fca2b42051c5cd0894da31839c99a9b7de320 debian/r-base
+