Merge pull request #441 from inthause/documents

Dev + Refactoring
Rename declination to variant
[NEW] Module Review
[UPDATE] improve Review module
[UPDATE] begin Star and Average work for Review
[FIX] stars not working on review
[UPDATE] Refactoring
[UPDATE] Refactoring of average rating
[UPDATE] votes on review
[UPDATE] Add order on review list
[UPDATE] Js assets
[UPDATE] improve votes
[UPDATE] improve backoffice review UI
[UPDATE] Review vote cookies management
[UPDATE] improve review rating
[UPDATE] Add pagination on review list
[UPDATE] Assets work begin
[UPDATE] Manage Css Assets
[UPDATE] review refactoring
[UPDATE] clean-up