JBIDE-16778 N&N for CDI
move into proper whatsnew location
JBIDE-16770 jst/jsf New and Noteworthy for 4.2.0.Beta1
move into proper whatsnew location
JBIDE-16784 Usage Analytics New and Noteworthy for 4.2.0.Beta1
move into proper whatsnew location
move into proper whatsnew location and fix a few grammar erros and content.