Update stacks.yaml with latest RF KS release

RichFaces kitchensink archetype 4.2.3.Final-1 is currently in a JBoss staging repository.
testing staging repo for RF archetype
remove staging repo
Preparing for Aerogear M7 release
Update archetypes to 7.1.2.CR1 for EAP 6.0.1 compat
Changed ids to match the version
Update stacks.yaml pointing to the RichFaces kitchensink 4.2.3.Final-2 archetype