updated to use a common logging library and enable log level configuration

Change-Id: Ib473615f25318c3b40cd6cf3bd49248e8a3d4fb1
diff --git a/provisioner/consul_storage.go b/provisioner/consul_storage.go
index 5701c72..0a0c62d 100644
--- a/provisioner/consul_storage.go
+++ b/provisioner/consul_storage.go
@@ -3,7 +3,6 @@
 import (
 	"encoding/json"
 	consul "github.com/hashicorp/consul/api"
-	"log"
 	"net/url"
 )
 
@@ -27,7 +26,7 @@
 		Scheme:  "http",
 	}
 
-	log.Printf("%+v", cfg)
+	log.Debugf("Consul config = %+v", cfg)
 
 	client, err := consul.NewClient(&cfg)
 	if err != nil {