Replace Github developer branch with product branch as it will not disappear.
JDF-729 - Fix broken link in USE_JDBS instructions
Update the CONTRIBUTING guide with the jboss developer list info and reorganize the guide
Clarify in CONTRIBUTING guide that updates should be made to the current developement branch
Create product_videos.adoc
Add Arquillian tests to description
Update Maven profile section
Update CONTRIBUTING so it is applicable for other product quickstarts
Update older versions of JBoss EAP
Fix broken links plus other minor fixes in CONTRIBUTING guide
Add stylesheets to developer shared repository
Updated ruby script to use stylesheets in dist/css/ directory