Merge pull request #307 from thockin/dont-print-already-set

Make 'already set' be a debug message
diff --git a/repo/vcs.go b/repo/vcs.go
index 257340a..6055b6e 100644
--- a/repo/vcs.go
+++ b/repo/vcs.go
@@ -140,7 +140,7 @@
 				// branch it's a tag or commit id so we can skip
 				// performing an update.
 				if version == dep.Reference && !ib {
-					msg.Info("%s is already set to version %s. Skipping update.", dep.Name, dep.Reference)
+					msg.Debug("%s is already set to version %s. Skipping update.", dep.Name, dep.Reference)
 					return nil
 				}
 			}