Henry Nash e59360da67 Import auth_token middleware from keystoneclient
Although the master auth_token file is now in keystoneclient, it will take
some time to get all the paste files to point to it there rather than here.
Hence, we import it back here to provide backward compatibility for a release
or so, after which we will remove it from the server.

Change-Id: Iccdb7839a611cdda233e4ea96f68c64d6d82f49c
2012-11-19 09:50:17 -08:00
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