Setup documentation project for delivery

[hoatle]

• Using docbkx-tools (http://code.google.com/p/docbkx-tools)
  • Consider to use http://www.jboss.org/maven-jdocbook-plugin/?
• documentations:
  • specification
  • user guide
  • developer guide

[hoatle]

There is a plan to merge jdocbook plugin to docbkx plugin:

https://issues.jboss.org/browse/MPJDOCBOOK-76