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.
Fixed some CSS errors.
Merge pull request #959 from intportg/dev

Menu in AccountShort block + Rbs_User profile + minor fixes
Add discountDetail value in prices in productPresentation.
Merge pull request #960 from intportg/dev

Add discountDetail value in prices in productPresentation.
Fix \Change\Storage\Engines\LocalStorage::normalizePath()
Replace "leafo/lessphp" dependency by "oyejorge/less.php"