Fix link in category for authorization, fix update of auth users

app/models/module_app.rb

@@ -185,18 +185,18 @@ class ModuleApp
     user_ids = self.auth_approvals.inject([]) do |users, auth|
       users += auth.authorized_users.map{|user| user.id}
     end
-    update_attribute(:auth_approval_users, user_ids.uniq)
+    self.update_attribute(:auth_approval_users, user_ids.uniq)
   end
 
   def update_auth_manager_users
-    update_attribute(:auth_manager_users, self.auth_manager_authorized_users.map{|user| user.id})
+    self.update_attribute(:auth_manager_users, self.auth_manager_authorized_users.map{|user| user.id})
   end
 
   def update_auth_sub_manager_users
     user_ids = self.auth_sub_managers.inject([]) do |users, auth|
       users += auth.authorized_users.map{|user| user.id}
     end
-    update_attribute(:auth_sub_manager_users, user_ids.uniq)
+    self.update_attribute(:auth_sub_manager_users, user_ids.uniq)
   end
 
   def managers