Fix k8s integration tests (#231)

* Adding debug message when starting k8s controller

* Adding work-around for timing issue in k8s integration tests

* Remove unused import

* Fix Makefile for ast package

* Increase k8s verbosity in travis

* Updating TODO list to find root cause of test issue

* go fmt cleanup

middleware/kubernetes/controller.go

@@ -2,6 +2,7 @@ package kubernetes
 
 import (
 	"fmt"
+	"log"
 	"sync"
 	"time"
 
@@ -149,6 +150,7 @@ func (dns *dnsController) Stop() error {
 
 // Run starts the controller.
 func (dns *dnsController) Run() {
+	log.Printf("[debug] starting k8s controller: %s\n", dns)
 	go dns.endpController.Run(dns.stopCh)
 	go dns.svcController.Run(dns.stopCh)
 	go dns.nsController.Run(dns.stopCh)