godeps: update probing pkg

Godeps/_workspace/src/github.com/xiang90/probing/prober.go

@@ -16,6 +16,7 @@ var (
 type Prober interface {
 	AddHTTP(id string, probingInterval time.Duration, endpoints []string) error
 	Remove(id string) error
+	RemoveAll()
 	Reset(id string) error
 	Status(id string) (Status, error)
 }
@@ -88,6 +89,16 @@ func (p *prober) Remove(id string) error {
 	return nil
 }
 
+func (p *prober) RemoveAll() {
+	p.mu.Lock()
+	defer p.mu.Unlock()
+
+	for _, s := range p.targets {
+		close(s.stopC)
+	}
+	p.targets = make(map[string]*status)
+}
+
 func (p *prober) Reset(id string) error {
 	p.mu.Lock()
 	defer p.mu.Unlock()