Commented the Beta Release chapter out Added an entry for changes done for GA in Rev History (44509)

JBDS 9: Remove mentions and screenshots with Beta or CR from the Install Guide ------------------------------------------------------------------------------ Key: TOOLSDOC-684 URL: https://issues.jboss.org/browse/TOOLSDOC-684 Project: Documentation for JBoss Tools and Developer Studio Issue Type: Feature Request Components: Installation Guide Affects Versions: 4.2.3.Final Reporter: Misha Ali Assignee: Supriya Bharadwaj Labels: Guide, Install Fix For: 4.2.3.Final