Update WetKit WYSIWYG for Issue #2346033 by LittleCoding: Fixed WetKit WYSIWYG Content CSS Files Do Not Add User Define CSS Paths.
Update WetKit Core for Issue #2353715 by omar: Fixed Alter hook prevents proper Feature revert.
Update WetKit Admin for Issue #2353715 by omar: Fixed Alter hook prevents proper Feature revert.
Merge pull request #1548 from sylus/7.x-1.x

Updates for 1.x branch.