Add vim modelines

Change-Id: I86e2d378c229023fb5dcda658535e2587adec343
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/settings_manager.py b/settings_manager.py
index 90c3e39..18ed223 100644
--- a/settings_manager.py
+++ b/settings_manager.py
@@ -186,3 +186,5 @@
     name = dbus.service.BusName(DBUS_NAME, bus)
     print "Running HostSettingsService"
     mainloop.run()
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4