Item seeder updates

Make sure we're pulling random numbers from all the users; update the
ratings at the end; add order seeding
In prod, hide Nova 3
Item repo work
User repo work
Touch the item model when messages are added
Method for updating overall rating
Presenter updates
Fix error with flash service
Fire an event when a comment is added
Work on item messages
Event handler cleanup
Way more efficient My Xtras
More item work
Cleanup some views
Rating partials
Add a label helper
Cleanup icon config file
Style updates
Service provider updates
Rollback the datepicker stuff