validates_presence_of :email, :display_name
validates_confirmation_of :email, :message => 'Email addresses must match'
validates_confirmation_of :pass_crypt, :message => 'Password must match the confirmation password'
validates_uniqueness_of :display_name, :allow_nil => true
validates_uniqueness_of :email
validates_presence_of :email, :display_name
validates_confirmation_of :email, :message => 'Email addresses must match'
validates_confirmation_of :pass_crypt, :message => 'Password must match the confirmation password'
validates_uniqueness_of :display_name, :allow_nil => true
validates_uniqueness_of :email