segmentation violation when kube-router is not able to contact api server

[murali-reddy]

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0x127f7ba]

goroutine 1 [running]:
github.com/cloudnativelabs/kube-router/app/watchers.StartNetworkPolicyWatcher(0xc42019a160, 0xdf8475800, 0xc4202e3860, 0x0, 0x0)
    /home/travis/gopath/src/github.com/cloudnativelabs/kube-router/app/watchers/network_policy_watcher.go:82 +0x1ca
github.com/cloudnativelabs/kube-router/app.(*KubeRouter).startApiWatchers(0xc4201f50c0, 0xc4201f50f0, 0x0)
    /home/travis/gopath/src/github.com/cloudnativelabs/kube-router/app/server.go:75 +0x261
github.com/cloudnativelabs/kube-router/app.(*KubeRouter).Run(0xc4201f50c0, 0xc4201f50c0, 0x0)
    /home/travis/gopath/src/github.com/cloudnativelabs/kube-router/app/server.go:113 +0x5d
main.main()
    /home/travis/gopath/src/github.com/cloudnativelabs/kube-router/kube-router.go:47 +0x1c6