Added "DocumentList" directive to ease the creation of lists of documents.
Added Change main menu that slides from the left when clicking on the Change logo in the header. This menu can also be shown with Ctrl+Alt+M (not configurable for the moment).
Moved main menu controller into a separate file (menu.js).
Added "Back to home" link in main menu.
Use new "<document-list/>" directive.
Added dashboard mockup.
Merge pull request #155 from fredericbonjour/Admin

Updated Backoffice with new menu, dashboard prototype and many other UI fixes.