Merge pull request #665 from rocker-org/master

update r-base to R 3.2.0 released on April 16

library/r-base

@@ -1,6 +1,6 @@
 # maintainer: "Carl Boettiger" <[email protected]> (@cboettig)
 # maintainer: "Dirk Eddelbuettel" <[email protected]> (@eddelbuettel)
 
-latest: git://github.com/rocker-org/rocker@ee9569326e20d2e46f0f22bcc6a0396a545c37e2 r-base
-3.1.3: git://github.com/rocker-org/rocker@ee9569326e20d2e46f0f22bcc6a0396a545c37e2 r-base
+latest: git://github.com/rocker-org/rocker@849e42992a3ce5bf6f004bcbfc76605aff3f3c08 r-base
+3.2.0: git://github.com/rocker-org/rocker@849e42992a3ce5bf6f004bcbfc76605aff3f3c08 r-base