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

Conflicts:
	pom.xml
Merge branch 'master' into devel

Conflicts:
	pom.xml
Merge branch 'master' into devel

Conflicts:
	pom.xml
Fixed BZ#1052017 - Certain topics should have static URL's otherwise they will fail during Fixed URL processing.
Added BZ#1013895 - Add the ability to specify a jDocbook POM version.
Added BZ#986173 - Topics when chunked are too small. The builder will now attempt to work out a value for the publican "chunk_section_depth" option, instead of always using the publican default (which in most cases is too large).
Moved docbook classes that were only used during building, from the content spec commons library to the builder library.
Added an initial implementation for BZ#1030099 - Reduce noise with small topics.
Updated the implementation for BZ#1030099 - Reduce noise with small topics, to fix an issue when working with Articles.
More work on BZ#1030099 - Reduce noise with small topics.
Fixed BZ#1057408 - Images pointing to common content are having filerefs edited
Fixed an issue where tags that had certain characters in their name would cause a build to fail in publican.
Reworked how Content Spec containers initial text is stored for BZ#1017465
Added the "--suggest-chunk-depth" option for BZ#986173 - Topic chunks are too small when rendered on access.redhat.com
Added initial implementation for BZ#1053928 - Add Build/XML Validation support for DocBook 5.
Added BZ#885564 - RFE: Inline reference to Chapter/Section name.
Fixed a bug that was causing builds to fail, due to the wrong default brand being used for DocBook 5.0 builds.