GTNPORTAL-3041 Add missing <title> in Gadgets' <iframes> tags
GTNPORTAL-3047 Adding a keypress event for keyboard navigation compatibility
GTNPORTAL-2982 Fix NotSerializableException in PageManagement
GTNPORTAL-3042 Clustering issue: ClassNotFoundException when creating new page
GTNPORTAL-3046 Upgrade jgroups to 2.6.21.Final and JBC to 3.2.7.GA. Upgrade AS7 packaging to have JBC and JGroups modularized