Started 1.4-SNAPSHOT
Updated the parent pom version to 1.6-SNAPSHOT.
Merge branch 'master' into devel

Conflicts:
	pom.xml
	zanata-sync-service/pom.xml
Added BZ#1053908 - Use ETags when communicating with Zanata.
Fixed a bug that was causing the sync service to crash.
Fixed BZ#1037269 - Allow default entities to be used in topics.
PressGang 1.4 Release