Run all CI targets inside Docker containers
Run all CI targets inside Docker containers

Now it's possible to run static checks (Golang code)
inside container, so all make targets for CI can
be executed within Docker.

Change-Id: I9f8ac37909db712ee97c914b7766336889dfb875

projectcalico/calico-cni,projectcalico/calico-cni,projectcalico/calico-rkt,projectcalico/calico-cni