added ruby-head matrix
added ruby-head matrix

aelogica/kaminari,sideci-sample/sideci-sample-kaminari,Teino1978-Corp/Teino1978-Corp-kaminari,bonekost/kaminari,dblock/kaminari,plribeiro3000/kaminari,peter-umb/umbie_kaminari,guodongme/kaminari,fkagami/kaminari,onursarikaya/kaminari,yui-knk/kaminari,yui-knk/kaminari,royels/kaminari,dblock/kaminari,epicagency/kaminari,Teino1978-Corp/Teino1978-Corp-kaminari,iberianpig/kaminari,JuanitoFatas/kaminari,Boomkat/kaminari,sendgrid/kaminari,sr-education/kaminari,danimashu/kaminari,joe1chen/kaminari,sanrodari/kaminari,mrstif/cursor,sendgrid/kaminari,guodongme/kaminari,barkbox/cursor,amatsuda/kaminari,mrhead/kaminari,iberianpig/kaminari,aelogica/kaminari,royels/kaminari,antstorm/kaminari,JuanitoFatas/kaminari,varvet/kaminari,varvet/kaminari,bonekost/kaminari,bsboris/kaminari,sachin21/kaminari,jcoyne/kaminari,parity/kaminari,plribeiro3000/kaminari,sachin21/kaminari,mperrando/kaminari,pat/kaminari,kaminari/kaminari,epicagency/kaminari,wkirschbaum/kaminari,sanrodari/kaminari,antstorm/kaminari,sr-education/kaminari,parity/kaminari,bsboris/kaminari,jiamaozheng/kaminari,joe1chen/kaminari,pat/kaminari,thiagorp/kaminari,mperrando/kaminari,Boomkat/kaminari,jiamaozheng/kaminari,Zhomart/kaminari,onursarikaya/kaminari,Zhomart/kaminari,sendgrid/kaminari,amatsuda/kaminari,wkirschbaum/kaminari,kaminari/kaminari,thiagorp/kaminari,danimashu/kaminari,peter-umb/umbie_kaminari,mrhead/kaminari