That patch allows a developer to remotely run a pydev debugger and have the
keystone-all process connect back to it. Two command line options are
introduced:
--pydev-debug-host <host>
--pydev-debug-port <port>
both of the above options are required to enable this behavior.
This patch only enables this behavior when the service is started with
keystone-all. In the future parts of this patch can be used to enable
this behavior when running in Apache.
Change-Id: I92f99fa34112336a96e42e8261b7313f23ee994e