[maven-release-plugin] prepare release server-2.1.4
[maven-release-plugin] prepare for next development iteration
rhbz903964 - Error messages are now communicated to the client on async push.
Merge branch 'release' into integration/master

Conflicts:
	functional-test/pom.xml
	pom.xml
	zanata-model/pom.xml
	zanata-war/pom.xml