Migrating from govendor to go dep

Change-Id: I08f2863450e141f1fed0bdef4b9ba64157c7289d
diff --git a/vendor/github.com/Sirupsen/logrus/alt_exit.go b/vendor/github.com/Sirupsen/logrus/alt_exit.go
index b4c9e84..8af9063 100644
--- a/vendor/github.com/Sirupsen/logrus/alt_exit.go
+++ b/vendor/github.com/Sirupsen/logrus/alt_exit.go
@@ -1,7 +1,7 @@
 package logrus
 
 // The following code was sourced and modified from the
-// https://bitbucket.org/tebeka/atexit package governed by the following license:
+// https://github.com/tebeka/atexit package governed by the following license:
 //
 // Copyright (c) 2012 Miki Tebeka <miki.tebeka@gmail.com>.
 //