Added helper methods to remove and replace checksums.
BZ#978673 Added the ability to specify the brand logo.
Merge branch 'master' into devel

Conflicts:
	src/main/java/org/jboss/pressgang/ccms/contentspec/ContentSpec.java
BZ#986207 Next/Previous links never show translations for the title.
BZ#986207 Next/Previous links never show translations for the title.
Merge branch 'master' into devel
Fixed a bug where absracts that were still declared as "Description" weren't being picked up.
BZ#987771 update templates
Fixed a bug where the unique ids weren't being set for comments or metadata.
Fixed a bug where the relationships were being sorted into the wrong order.
Added known valid publican.cfg parameters.
Merge branch 'master' into devel

Conflicts:
	src/main/java/org/jboss/pressgang/ccms/contentspec/constants/CSConstants.java
Updated the transformer to set the global book tags.
Re-enabled the tag CSTransformer test