User Go 1.10.x for Travis
User Go 1.10.x for Travis

Signed-off-by: Ondrej Fabry <237151fbd58e417e6d72d788598ce96c14d7b9e5@cisco.com>

lukasmacko/cn-infra,ligato/cn-infra,ligato/cn-infra,lukasmacko/cn-infra,mpundlik/cn-infra,mpundlik/cn-infra