Updated lib to version 2.1.0 of jQuery.
Removed source map stuff because the jQuery team have chosen not to support it. See http://blog.jquery.com/2014/01/24/jquery-1-11-and-2-1-released/
Merge branch '2.1' into develop
Should raise when CDN isn't supported and :raise option given.
Merge branch 'raise-if-cdn-no-support' into develop
Added specs to check the Google CDN raises.
Merge branch '2.1' into develop
Warn about Google too.
Merge branch 'develop'
Version bump (oops, shouldn't have touched the lib version in the other branch. Oh well...)