Merge pull request #1245 from daroczig/master

revert 1f8466164330277fc8c9126ded3cc207ff3baf91

R.gitignore

@@ -4,8 +4,5 @@
 # Example code in package build process
 *-Ex.R
 
-# R data files from past sessions
-.Rdata
-
 # RStudio files
 .Rproj.user/