Update deps/python-qpid to 0.18

Most of the files in the PR are deleted patch files.

Updated to be reasonably close to the latest (which is 0.24).  Mainly need to be updated to support the fix for: 1023056.  Also, RHEL-6 ships with 0.18.

https://bugzilla.redhat.com/show_bug.cgi?id=1023056