SOC-4098 | [Social Notifications] Implement transparent upgrading users. Remove redundant code.
Merge master into feature/stabilization branch
Merge branch 'master' into feature/stabilization
Merge branch 'master' into feature/stabilization
Crowdin injection w13 (from 20140312 to 20140318) - Update Lithuanian file
COMMONS-302 In XMLDeploymentPlugin, The property publication:liveRevision should never be empty
Crowdin injection w15 (from 20140409 to 20140411)
COMMONS-310: Provide method to escape illegal XML names

Problem description:
* In XPath queries, every path step must be a valid XML name (ISO9075).
  It doesn't allow names starting with digits. Some characters such as @ in email address are also invalid.

Fix description:
* Escape illegal XML names by following ISO9075 encoding.
Merge branch 'feature/stabilization'