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
Another round of changes for tempest bc
Merge pull request #643 from dpaterson/pull-req-release-mesa-1.6-master-53baf52e3d4b01b2c82ac3b2428eb623a7e83e8d

https://github.com/crowbar/barclamp-crowbar/pull/643

Merged by devtool for ArkadyKanevsky