Merge pull request #136 from fredericbonjour/Admin

Updated Backoffice
Add Storage namespace
Update Setup
Add Storage in Http/Rest
Merge pull request #137 from inthause/storage

Add Storage namespace
Testing application start Event
Implement rename in StorageEngine
Update Setup for Catalog and Brand modules
Merge pull request #138 from inthause/documents

Some update in Storage and Setup
[NEW] Shops, billingAreas, prices
[NEW] Category tree
Merge pull request #139 from intportg/dev

[NEW] Shops, billingAreas, prices
Update \Change\Storage\StorageManager::setItemDbInfo
Add 'Change/Admin/i18n.js' url resolver in Admin module
Refactor Admin home template
Add Change\Storage\Engines\LocalStorage basePath creation
Merge pull request #140 from inthause/documents

Add update for Backoffice
[REFACTOR] Field Twig macros in BO and use more locales in templates.
Merge pull request #141 from intportg/dev

[REFACTOR] Field Twig macros in BO and use more locales in templates.
Fixed getFromClipboard() method.
Changed the data associated to the drag'n'drop event: it now uses the item's text, which allows the user to drop the item in text fields :)