Refers #105 -- Integrate tags in user profile
Refers #105 -- Add Ajax select for user tags
Refers #105 -- Enhance tag input interface with some jQueryUI autocomplete
Refers #105 -- Some cleanup
Refers #105 -- Add help text for tag input field
Refers #105 -- Display interests on user profile page
Refers #105 -- Limit tags to 7
Merge pull request #115 from EuroPython/fix/ticket105

Fixed #105 -- Add tags to user profile