Redo code cleanup (#429)

* Code cleanup of routes config loader and API server (#424)

(cherry picked from commit 1ee3eb4de3)

* Refactored server setup and run out of main (#425)

(cherry picked from commit 05c57c3b85)

* Code cleanup in and around connector (#427)

(cherry picked from commit b3e88db48c)

* Update away from deprecated k8s NewInformer

* Tidy up couple of k8s docs examples

server/connector_test.go

@@ -61,7 +61,9 @@ func TestTrustedProxyNetworkPolicy(t *testing.T) {
 
 			policy := c.createProxyProtoPolicy()
 			upstreamAddr := &net.TCPAddr{IP: net.ParseIP(test.upstreamIP)}
-			policyResult, _ := policy(upstreamAddr)
+			policyResult, _ := policy(proxyproto.ConnPolicyOptions{
+				Upstream: upstreamAddr,
+			})
 			assert.Equal(t, test.expectedPolicy, policyResult, "Unexpected policy result for %s", test.name)
 		})
 	}