Update travis.yml to build 6.0
Update travis.yml to build 6.0

ConeyLiu/HiBench,nareshgundla/HiBench,qiansl127/HiBench,ConeyLiu/HiBench,ConeyLiu/HiBench,qiansl127/HiBench,nareshgundla/HiBench,maismail/HiBench,maismail/HiBench,qiansl127/HiBench,maismail/HiBench,nareshgundla/HiBench,ConeyLiu/HiBench,qiansl127/HiBench,nareshgundla/HiBench,maismail/HiBench