Add Mesos hyperkube minion server

The minion server will
- launch the proxy and executor
- relaunch them when they terminate uncleanly
- logrotate their logs.

It is a replacement for a full-blown init process like s6 which is not necessary
in this case.

cmd/hyperkube/kube-proxy.go

@@ -19,8 +19,8 @@ limitations under the License.
 package main
 
 import (
-	"github.com/GoogleCloudPlatform/kubernetes/contrib/mesos/pkg/hyperkube"
 	kubeproxy "github.com/GoogleCloudPlatform/kubernetes/cmd/kube-proxy/app"
+	"github.com/GoogleCloudPlatform/kubernetes/contrib/mesos/pkg/hyperkube"
 )
 
 // NewKubeProxy creates a new hyperkube Server object that includes the
@@ -29,7 +29,7 @@ func NewKubeProxy() *Server {
 	s := kubeproxy.NewProxyServer()
 
 	hks := Server{
-		SimpleUsage: hyperkube.KM_PROXY,
+		SimpleUsage: hyperkube.CommandProxy,
 		Long: `The Kubernetes proxy server is responsible for taking traffic directed at
 		services and forwarding it to the appropriate pods.  It generally runs on
 		nodes next to the Kubelet and proxies traffic from local pods to remote pods.

cmd/hyperkube/kube-scheduler.go

@@ -29,7 +29,7 @@ func NewScheduler() *Server {
 	s := scheduler.NewSchedulerServer()
 
 	hks := Server{
-		SimpleUsage: hyperkube.KM_SCHEDULER,
+		SimpleUsage: hyperkube.CommandScheduler,
 		Long:        "Implements a Kubernetes scheduler.  This will assign pods to kubelets based on capacity and constraints.",
 		Run: func(_ *Server, args []string) error {
 			return s.Run(args)