German translation

Added German translation for Settings of CKEditor
Rebuild ckeditor, add AutoCorrect plugin
Add temporary fix for issue when modx menu disappears
Add youtube button
Add AutoCorrect settings
Merge branch 'master' of https://github.com/miduku/modx-ckeditor
Localize AutoCorrect settings
Bump new version
Allow elements dropping in modx 2.3
Fix Save command in modx 2.3