Merge pull request #20 from activeadmin-plugins/Fivell-patch-1

bump aa in test env

Author: Fivell

Gemfile

@@ -6,7 +6,7 @@ group :test do
   gem 'sprockets-rails', '2.3.3'
   gem 'rails', '4.2.0'
   gem 'rspec-rails'
-  gem 'activeadmin', github: 'activeadmin', ref: 'd787029e5523be2eb2ed99816eb0cecca2b72862'
+  gem 'activeadmin', github: 'activeadmin', ref: '64b5295571400c461376cf060dae9522731fe6d9'
   gem 'sass-rails'
   gem 'sqlite3'
   gem 'launchy'