Updated openstack/openstack
Project: openstack/ceilometer  d546973ea3c11e1ee3da0f93c99752c3112483e3

clean path in swift middleware

the path also requires encoding as syslogs still show errors.

Closes-Bug: #1369124
Change-Id: Ie4d19a5a7dd5ce29e10c6e082bfcb33e6e641623