Make "IterationIPC" MQ producer for VNF control messages
"IterationIPC" runner class is a consumer for MQ aware VNFs. A MQ aware
traffic generator can send "started", "finished" and "iteration"
messages.
This feature implements a MQ producer in the runner in order to send
messages to the VNFs. The messages implemented are:
- "start_iteration"
- "stop_iteration"
JIRA: YARDSTICK-1286
Change-Id: I706f9a9dda5e5beed52231be7d71452945a7dbed
Signed-off-by: Rodolfo Alonso Hernandez <rodolfo.alonso.hernandez@intel.com>