Modify 'My Profile' elements in site header.

Move 'My Profile' and 'Notifocations' elements to upmost header. Add always visible 'Log out' element.
Show user's name instead avatar. Add notification text to element.
Includes ugly fix to dashboard.js to show 'Notifications' text in element. To be fixed later.
Modify 'My Profile' elements in site header.

"Includes ugly fix to dashboard.js to show 'Notifications' text in element. To be fixed later."
 dashboard.js added to kata to overwrite ckan's.