Merge pull request #32 from alphagov/add_user_needs

Add "user need" selector to the analysis page
Remove bogus user_need_required column from schema.rb

Accidentally introduced in 18bb7cf.
Merge pull request #34 from alphagov/add_user_needs

Added user_need_required to ContentType model and added data attributes ...
Regenerate schema.rb to include user_need_required column

That'll teach me to remove it.
Set user need dropdown to readonly/editable according to the user_need_required data attribute on the content type dropdown