Starting PressGang 1.6 Release
Fixed BZ#1091776 - MainFile attribute in publican.cfg causes issues.
Merge branch 'master' into devel

Conflicts:
	pom.xml
Merge branch 'master' into devel
Fixed BZ#1094554 - Can't use square brackets in content spec titles.
Optimised the snapshot processor so it doesn't get the data for topics that are already frozen when the "latest" flag isn't set.
Additional fixes for BZ#1091776 - MainFile attribute in publican.cfg causes issues.
Fixed BZ#1100139 - Non existent entities in content spec metadata causes builds to fail.
PressGang 1.6 Release