activeadmin/activeadmin — pull request #3466 by icyflame (2014-10-03 10:08:24+00:00)
Title: Adding the gemfile instructions for Rails 4.1

Adding only `gem 'activeadmin'` in the Gemfile, for Rails 4.1 does not do the job.

The above four lines need to be added to make sure that activeadmin get's added, without any errors, when `bundle install` is run.