centralizing some of the ui elements which were spread out throughout wizard fragments into a more convenient location which helps clean the wizards. Was originally related to as 7.2, but this needed to be done anyway. Originally related to JBIDE-13314
Reverting the 7.x to 7.1, though leaving all other changes as they needed to be done. JBIDE-13314
changes for jbide-13213 forcing a model listener instead
changes for jbide-13213 forgot to remove listener during dispose