kristianmandrup/cantango — pull request #22 by pdf (2012-03-28 00:38:48+00:00)
Title: Fix add_role_system trying to merge wrong object

add_role_system tries to merge role_system, rather than it's argument role_system_hash, which predictably results in:

can't convert Symbol into Hash
gems/cantango-0.9.4.7/lib/cantango/configuration/roles.rb:22:in `merge!'