This vendors a later version of prometheus' golang client (0.8.0 -> 0.9.4) to allow `go mod tidy`to work properly. It also updates the k8s libraries from 0.18.6 to 0.18.8 to avoid hitting https://github.com/kubernetes/kubernetes/issues/91073
* vendor changes from dep init * add Gopkg.lock and Gopkg.toml * delete glide.lock and glide.yaml * build gobgp from vendor
putting basic skelton framework to use prometheus Fixes #5
