Update jQuery, jQuery-UI, Backbone, Underscore and others javascripts libs used by universality and muniversality skins
Update fluid in order it supports jQuery 1.8.X : this commits require an update of resource-server : RESSERV-51 (https://issues.jasig.org/browse/RESSERV-51)
Merge pull request #189 from auxepaul/UP-3876

UP-3876: Update jQuery, jQuery-UI, Backbone, Underscore and others javascripts libs used by universality and muniversality skins