Drupal Core performance patches.
Update WetKit Widgets for Revert part of Issue #2366631 by colan: File Entity select uploaded file.
Update Changelog.md file.
Update Changelog.md file.
Update modules to official releases.
Update WetKit Core for Update HS for security release.
Official 1.8 release.
Merge pull request #1593 from sylus/7.x-1.x

Updates for 1.x branch.