Update to bashate 0.3.2

Bashate 0.3.2 has a few new checks -- firstly make sure some of the
plugins have #!/bin/bash, and fix up a couple of "local" changes that
were missed by I9c8912a8fd596535589b207d7fc553b9d951d3fe

Change-Id: I9e4b1c0dc9e0f709d8e76f9c9bf1c9478b2605ed
diff --git a/lib/neutron_plugins/services/metering b/lib/neutron_plugins/services/metering
index 37ba019..c75ab19 100644
--- a/lib/neutron_plugins/services/metering
+++ b/lib/neutron_plugins/services/metering
@@ -1,3 +1,5 @@
+#!/bin/bash
+
 # Neutron metering plugin
 # ---------------------------