Update admin navigation context
Merge pull request #824 from inthause/documents

Update admin navigation context
Merge pull request #825 from intportg/dev

Front validation in order process for addresses + fixes and refactoring
Add Mail Markdown RichText and Mail Content Editor
Merge pull request #827 from renaudJennyRBS/template

Add Mail Markdown RichText and Mail Content Editor
Some UI Fixes
Fix variant group URL
Merge pull request #828 from franckstauffer/fix

Some UI Fixes
Fix drag&drop in structure editor + title button in rich text blocks.