4.0.0 - 2014.1.0 - Icehouse Release

Updated Modulefile and README.md for 4.0.0 release.

Change-Id: Id08419c22add23ff7494ca447d9b99e42a52173c
Merge "4.0.0 - 2014.1.0 - Icehouse Release"
Merge git://github.com/puppetlabs/puppetlabs-keystone