Update sizzle to 1.10.3-pre
Support CommonJS environments by accentuating the need for a window with a document. Fixes #13768.
Remove `undefined` var declarations
Include Sizzle and Qunit with bower. Fixes #14118.
Update README for bower usage
Fix bower.json version from cherry-picked commit
Update devDependencies, adjust .jshintrc to jsHint 2.x, use .jshintignore. Close gh-1283.

Conflicts:
	src/.jshintrc
	test/.jshintrc