Added back missing :selector option from attributes provided to custom style generators
Added back missing :selector option from attributes provided to custom style generators

jakesgordon/sprite-factory,bastiRe/sprite-factory,bastiRe/sprite-factory,strzibny/sprite-factory,manaflask/sprite-factory,manaflask/sprite-factory,strzibny/sprite-factory,jakesgordon/sprite-factory