Changed font icons adding new for the different notifications
added contactUrl method within user urls model
fixed problem in filters view with order icons events
Added notifications icon back to new-dashboard template
added user notifications view to header view
added localStorage model to header view
created model and collection for notifications
created all template messages
Added notifications dropdown view
Changed header notifications style
added js comment for user notifications dropdown
notifications view added
avoid closest method when an filter order icon is clicked
Merge pull request #1479 from CartoDB/issue-new-notifications

New user notifications in the new dashboard