Improvements to afrouterd.

- Added ability to run the afrouterd outside the cluster, using a URL & local kube-config instead of in-cluster config.
- Fixed a bug where the afrouterd would not wait for connectivity to the afrouter before starting its main loop.
  (grpc.Dial is async by default.)

This may or may not resolve VOL-1661.

Change-Id: I58ba2ef52edb7f0eddcf7d7f2735f3b9d460237a
diff --git a/Gopkg.toml b/Gopkg.toml
index a3f6ad1..8ffc5b0 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -114,3 +114,7 @@
 [[constraint]]
   branch = "master"
   name = "github.com/boljen/go-bitmap"
+
+[[constraint]]
+  name = "k8s.io/client-go"
+  version = "10.0.0"