Faster Travis builds
Faster Travis builds

refs: http://d.hatena.ne.jp/xuwei/20150115/1421287447 notice: article in Japanese
holycattle/skinny-framework,skinny-framework/skinny-framework,holycattle/skinny-framework,Kuchitama/skinny-framework,holycattle/skinny-framework,Kuchitama/skinny-framework,holycattle/skinny-framework,skinny-framework/skinny-framework,holycattle/skinny-framework,seratch/skinny-framework,seratch/skinny-framework,Kuchitama/skinny-framework,Kuchitama/skinny-framework,Kuchitama/skinny-framework,seratch/skinny-framework,skinny-framework/skinny-framework,skinny-framework/skinny-framework,seratch/skinny-framework