first version for new member html

app/models/user/user.rb

@@ -27,6 +27,7 @@ class User
   has_many :papers, :autosave => true, :dependent => :destroy
 
   belongs_to :role
+  has_and_belongs_to_many :roles
   has_and_belongs_to_many :sub_roles
   accepts_nested_attributes_for :attribute_values, :allow_destroy => true