Add contribution information
Fix links to CLA
added tests
updated from upstream
working on tests
fixed spelling error in xmppFramework
obtain prmanentID for object after MR_CreateEntity
Removed isConnected from core data

Since this value is derived from the accountsManager and then each individual protocolManger is shouldn't be relied on to be stored in the core data database
fixup database migration
Merge branch 'master' of github.com:chrisballinger/Off-the-Record-iOS into 2.2