Wrap all config specs in with_sandboxed_config (hoping to resolve [#636])
Wrap all config specs in with_sandboxed_config (hoping to resolve [#636])

dchelimsky/rspec,dchelimsky/rspec,mrkn/rspec,dchelimsky/rspec-stories,dchelimsky/rspec-stories,phinze/rspec,alitalia/rspec,alitalia/rspec