Migrating from govendor to go dep

Change-Id: I08f2863450e141f1fed0bdef4b9ba64157c7289d
diff --git a/vendor/github.com/Sirupsen/logrus/terminal_check_appengine.go b/vendor/github.com/Sirupsen/logrus/terminal_check_appengine.go
new file mode 100644
index 0000000..2403de9
--- /dev/null
+++ b/vendor/github.com/Sirupsen/logrus/terminal_check_appengine.go
@@ -0,0 +1,11 @@
+// +build appengine
+
+package logrus
+
+import (
+	"io"
+)
+
+func checkIfTerminal(w io.Writer) bool {
+	return true
+}