add shebang lines to all lib files
With gerrit 2.8, and the new change screen, this will trigger syntax
highlighting in gerrit. Thus making reviewing code a lot nicer.
Change-Id: Id238748417ffab53e02d59413dba66f61e724383
diff --git a/functions-common b/functions-common
index 24507fe..cbfa130 100644
--- a/functions-common
+++ b/functions-common
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
# functions-common - Common functions used by DevStack components
#
# The canonical copy of this file is maintained in the DevStack repo.