travis: test on Go 1.5.
travis: test on Go 1.5.

vmihailenco/redis,HatsuneMiku3939/redis,HatsuneMiku3939/redis,HatsuneMiku3939/redis,go-redis/redis,icha024/redis,superkinglabs/redis,linkedin-inc/redis,HatsuneMiku3939/redis,eyalpost/redis,go-redis/redis