Downgrade to require.js 2.1.9
GTNPORTAL-3477 Make GadgetImporter throw an exception with a meaningful
message
GTNPORTAL-3475 NPE in LinkedList$ListItr.next when iterating over
UIGroupMembershipSelect.getListMemberhip()
GTNPORTAL-3485 Add an option to load AMD JavaScript from a CDN
GTNPORTAL-3487 Add an option to load CSS from a CDN