Initial draft of 2.2.0 post

- Waiting for Enrico's blurbs
Incorporated Enrico's blurbs

- ZendService_Api
- ZendService_OpenStack
- ZFTool diagnostics
Jira is no longer used

- Jira is no longer used for ZF1 changelogs... and, in fact, is turned
  off. Removing the calls to retrieve the XML-RPC and JIRA clients.
ZF 2.2.0
Merge branch 'posts/2.2.0-stable'

ZF 2.2.0