Adds message_id to params whitelist

Author: anglinb

lib/chatops/controller.rb

@@ -57,7 +57,7 @@ def setup_params!
 
       @jsonrpc_params = params.delete(:params) if params.has_key? :params
 
-      self.params = params.permit(:action, :chatop, :controller, :id, :mention_slug, :method, :room_id, :user)
+      self.params = params.permit(:action, :chatop, :controller, :id, :mention_slug, :message_id, :method, :room_id, :user)
     end
 
     def jsonrpc_params