Merge pull request #29230 from luxas/goimport

Automatic merge from submit-queue

Run goimport for the whole repo

While removing GOMAXPROC and running goimports, I noticed quite a lot of other files also needed a goimport format. Didn't commit `*.generated.go`, `*.deepcopy.go` or files in `vendor`

This is more for testing if it builds.
The only strange thing here is the gopkg.in/gcfg.v1 => github.com/scalingdata/gcfg replace.
cc @jfrazelle @thockin

pkg/controller/endpoint/endpoints_controller.go

@@ -24,6 +24,7 @@ import (
 	"time"
 
 	"encoding/json"
+
 	"github.com/golang/glog"
 	"k8s.io/kubernetes/pkg/api"
 	"k8s.io/kubernetes/pkg/api/endpoints"