Puppet Forge release 2.1.0

Updated README.md and Modulefile for Puppet Forge 2.1.0 release

Change-Id: Ic1f11224f72da8d1b2cd757c5e4f087f4a6a8ebb
(cherry picked from commit 6a4d40f718774557d4fc5d1db49c4921e898a5af)