Update to jQuery 1.11.1

See also: http://blog.jquery.com/2014/05/01/jquery-1-11-1-and-2-1-1-released/

Close h5bp/html5-boilerplate#1535.
Merge branch 'master' of github.com:h5bp/html5-boilerplate

Conflicts:
	CHANGELOG.md
	index.html