/controllers/ & /views/front/pages/: added limitations to comments and reports length
/controllers/front/: fixed a bug with wrong value for report state and missing library
/models/: added field "new" for comments and reports (so as they can be sent as a notification to the admin in the BO)
/controllers/: added middleware for getting notifications
/controllers/: removed notifications middleware and added AJAX notifications
/controllers/back-office/, /resources/ & /views/back-office/: added default toolbar to all pages (including login, which gets bugged data...) in BO