Selectmenu Tests: updated jQuery and old testsuite version
Selectmenu Tests: rename wrapper divs
Selectmenu Tests: cleanup unit tests
Selectmenu Tests: remove unneeded test
Selectmenu Tests: use simulate instead of trigger
Selectmenu Tests: remove unneeded test
Selectmenu Tests: add toLowerCase() to node type checks
Selectmenu Tests: clean up spacing and intention
Selectmenu Test: rename widget method test
Selectmenu Tests: change doctype to lower case
Selectmenu Tests: added labels to disabled empty visual test
Selectmenu: clean up CSS