Updated openstack/openstack
Project: openstack/python-neutronclient  2478cc81434ac53c82a6178caca354f21528202f

Fix issues with Unicode compatibility for Py3

HTTP arguments should not be encoded because:
 * requests library does it automatically replacing unicode
   characters with utf-8 sequences
 * on py3 encoding function replaces string with byte array,
   thus breaking keystone client

Closes bug 1398854

Change-Id: I747778259656f1c9803bcf990cdd85f87a77fd1a