Switch travis-core to branch for new build emails.
Bump travis-core.

Includes changes for build email images.
Bump travis-core.
Enable roadie explicitly.
Require roadie.
Require more roadie files.
Hack Roadie to work without Rails.
Roadie.app is a module method
More roadie hackery.
Add root dir for Roadie.
Add path to Roadie
Bump travis-core.

Includes fix for Roadie and missing url_options.
Bump travis-core.

Includes fixes for build email styling.
Bump travis-core.
Bump travis-core.
Bump travis-core.
Bump travis-core.
Update travis-core
Update travis-core
Update travis-core