Merge with sub_roles

app/models/user/sub_role.rb

@@ -0,0 +1,11 @@
+class SubRole < Attribute
+  
+  belongs_to :role
+  has_and_belongs_to_many :users
+  
+  # Get an sub_role from key
+  def self.get_sub_role_from_key(key)
+    self.first(:conditions => {:key => key})
+  end
+  
+end