Adding clean_all to Travis
Adding clean_all to Travis

skmezanul/Bookie,wangjun/Bookie,wangjun/Bookie,adamlincoln/Bookie,teodesson/Bookie,GreenLunar/Bookie,bookieio/Bookie,teodesson/Bookie,adamlincoln/Bookie,skmezanul/Bookie,bookieio/Bookie,bookieio/Bookie,skmezanul/Bookie,wangjun/Bookie,wangjun/Bookie,skmezanul/Bookie,teodesson/Bookie,bookieio/Bookie,teodesson/Bookie,GreenLunar/Bookie,adamlincoln/Bookie,GreenLunar/Bookie,GreenLunar/Bookie,adamlincoln/Bookie