track the global killcount of virtigod restarts

Signed-off-by: Jeff Carr <jcarr@wit.com>

event.go

@@ -20,4 +20,5 @@ func (h *HyperT) RestartDaemon() {
 
 	dur := time.Since(h.lastpoll) // Calculate the elapsed time
 	log.Info("KILLED DAEMON", h.Hostname, shell.FormatDuration(dur), "curl", url)
+	me.killcount += 1
 }

poll.go

@@ -136,6 +136,7 @@ func clusterHealthy() (bool, string) {
 	}
 	summary = strings.TrimSpace(summary)
 	summary += ")"
+	summary += "(killcount=" + fmt.Sprintf("%d", me.killcount) + ")"
 	if good {
 		return good, "GOOD=true " + summary
 	}

structs.go

@@ -16,9 +16,10 @@ func (b *virtigoT) Enable() {
 
 // this app's variables
 type virtigoT struct {
-	names    []string
-	hypers   []*HyperT
-	droplets []*DropletT
+	names     []string
+	hypers    []*HyperT
+	droplets  []*DropletT
+	killcount int
 }
 
 // the stuff that is needed for a hypervisor