Issue #1684868 by nod_: JSHint simpletest.
Merge pull request #244 from Twinmat/JSHsimptest

Issue #1684868 by nod_: JSHint simpletest.
Issue #1276908 by jessebeach, nod_, moshe weitzman, lewisnyman, webchick: Fixed Administrative tables are too wide for smaller screens.
Issue #1800304 by dawehner: Fixed The css for responsive tables on bartik contains old class names.