adding latest doc updates for RC4
deployment guide in wrong place
Updated docs for Grizzly
Merge pull request #634 from dpaterson/pull-req-release-mesa-1.6-master-e9f99d884aa24b7e1290e94f36515ae737a86c13

https://github.com/crowbar/barclamp-crowbar/pull/634

Merged by devtool for ArkadyKanevsky