Issue #1711070 by kid_icarus, tim.plunkett, xjm, droplet, zendoodles and cam8001: Convert tests to use ::$modules property instead of parent::setUp($modules).

Issue #1085590 by Rob Loach, keichee, tim.plunkett, mfer, ericduran: Update jQuery UI to the latest in the git repository.

Issue #507502 by fietserwin, cosmicdreams, tim.plunkett, sun, nod_: Fixed locale support for jQuery UI.