Reverse dependencies for cantango-config

Latest version of the following gems require cantango-config

Gem	Version	Date	Downloads
cantango-api +22.6 Thousand Downloads	`0.1.3` December 09, 2011	December 09, 2011	22.6 Thousand
cantango-permits +5.57 Thousand Downloads	`0.1.1` December 24, 2011	December 24, 2011	5.57 Thousand
cantango-roles +5.54 Thousand Downloads	`0.1.0` December 09, 2011	December 09, 2011	5.54 Thousand