BugFix: update for R to latest R version on AWS repo added

BugFix:

On the EMR AMI default R version is 3.0.2 . Due to the new R release version 3.1.1 the R package "lazyeval" does not work any more with R 3.0.2 (you can not install it) )-:

Solution: in the AWS yum package repo there is already the new R Version 3.1.1 added. I now on default update R to the latest R version in the AWS yum repo.