Tempurl middleware is set with default options only
This commits make it possible to manage all tempurl configs defined in
proxy-server.conf-sample[1]:
methods
incoming_remove_headers
incoming_allow_headers
outgoing_remove_headers
outgoing_allow_headers
Parameters are optional and can be set with array or string
[1] https://github.com/openstack/swift/blob/master/etc/proxy-server.conf-sample
Change-Id: I1fab905a46aa58c43b8b3fd35ecdaf310bffc121
25a96920f6