Merge pull request #1566 from sylus/7.x-2.x

Updates for 2.x branch.
Merge pull request #1567 from sylus/7.x-2.x

Updates for 2.x branch.
Merge pull request #1568 from sylus/7.x-2.x

Updates for 2.x branch.
Update WetKit Theme for Revert Issue #2379053 by gdaw: Media library layer partially overlapped by left-side admin menu