Adding a geard element

geard is a python implementation of the gearman broker.
The intention is to use it to broker tripleo ci jobs.

Change-Id: Iec1889edee7641449cda7e0a8770062c564c3d97
In tripleo-cd log hardware to instance map

While debugging chronic problems with tripleo-cd it may be useful to
know which hardware nodes are related to the instances that failed.

Change-Id: Ie843978f55b4af6f21498749c4138aea59a70440
Log pypi-mirror cron job output to syslog

Rather than relying on e-mail working, we can just record the results in
syslog using the logger command. This will allow debugging the job.

Change-Id: I96cbda2ab27a8ce4d06648f728c933c56263014b
Merge "Log pypi-mirror cron job output to syslog"
Merge "In tripleo-cd log hardware to instance map"
Merge "Adding a geard element"