Update baseimage to golang
Update baseimage to golang

Docker build with insecure get  of go1.7.6 was failing.
cf-unik/unik,cf-unik/unik,emc-advanced-dev/unik,cf-unik/unik,cf-unik/unik,cf-unik/unik,emc-advanced-dev/unik,emc-advanced-dev/unik,emc-advanced-dev/unik,emc-advanced-dev/unik,cf-unik/unik,emc-advanced-dev/unik,cf-unik/unik,emc-advanced-dev/unik