Rails.configuration.after_initialize { FactoryGirl.find_definitions }

Rails.configuration.after_initialize do
  FactoryGirl.definition_file_paths = [
    File.join(Rails.root, 'test', 'factories'),
    File.join(Rails.root, 'spec', 'factories')
  ]
  FactoryGirl.find_definitions
end

Add support back in for subdirectory requires.
Add support back in for subdirectory requires.

Poor old rails 2.x was forgotten about in fc8ce3ab7.

Closes #65
