Reverse dependencies for buff-extensions

Latest version of the following gems require buff-extensions

Gem	Version	Date	Downloads
ridley +8.44 Million Downloads	`5.1.1` May 26, 2017	May 26, 2017	8.44 Million
varia_model +7.69 Million Downloads	`0.6.0` August 03, 2016	August 03, 2016	7.69 Million
buff-config +7.51 Million Downloads	`2.0.0` August 04, 2016	August 04, 2016	7.51 Million
motherbrain +49.5 Thousand Downloads	`1.5.0` June 11, 2014	June 11, 2014	49.5 Thousand