Have the log-gearman-client (aka jenkins-log-client) initialize
the statsd parameters when starting the geard server. Also, make
sure that the python statsd package is installed on the host.
Change-Id: I04fe1a7609f08bc710891b6a3b92d0f4d156d86c
Separate the jenkins log client and worker bits into a new module
called log_processor with ::client and ::worker classes.
Instantiate two workers on each logstash worker node.
Change-Id: I7cfec410983c25633e6b555f22a85e9435884cfb