Async perform for add/remove team members

spec/lib/gitolite_spec.rb

@@ -20,6 +20,6 @@ describe Gitlab::Gitolite do
 
   it "should call config update" do
     gitolite_config.should_receive(:update_project!)
-    gitolite.update_repository project
+    gitolite.update_repository(project.id)
   end
 end

spec/support/stubbed_repository.rb

@@ -21,6 +21,10 @@ class Project
       true
     end
 
+    def destroy
+      true
+    end
+
     def create
       true
     end