Sync storage rings from rsync server

Change-Id: I154b59ee2b208e711099f056f52433c472f23709
Related-Bug: 1224592
Preparing for 2.2.0 release.

Updated dependencies and version in Modulefile.
Updated release notes in README.md

Change-Id: Ia9a9b8ed0275ab33335aaf47f1ec054fd233a007
Merge "Sync storage rings from rsync server"
Merge "Preparing for 2.2.0 release."