Support older token formats for projects in accessinfo
Support older token formats for projects in accessinfo

Older token formats get decoded as a v2 token so we should support
reading project information from these tokens.

Change-Id: I31473a00b294bd0d7b535cfab8d2eaf09db97ff5

jamielennox/keystoneauth,sileht/keystoneauth,citrix-openstack-build/keystoneauth