Merge pull request #951 from intportg/dev

Visuals in cart + misc fixes and cleanup
Merge pull request #956 from intportg/dev

Handle multiple visual formats in cart + fixes in theme initialization
Remove required attribute on optional attribute
Use commands instead of Rest Action for Initializations. Fix few issues too
Merge pull request #957 from renaudjenny/struct

New Initialization behaviour, using commands instead of HTTP Rest Action
Move mail and popin template in Rbs_Common theme
Update block.execute.* event dispatch and html generation
Fix RBS_Common theme install
Merge pull request #958 from inthause/documents

Add Rbs_Common theme
Enable to specify a menu or a section in the AccountShort block containing the account pages.
Refactor Menu block, extracting a MenuComposer class to generate the MenuEntry (used in Menu and AccountShort blocks).
Add Rbs_User profile.
Use an existing variable...
Code formatting.