this references was wrong
ha bindings initial
ha preparation features including engine refactor to take care of the new dispatcher engine
dispatcher engine is done with lock system for HA purposes
removed restextend until really ready
deleting connection was not testing existing information
Merge branch 'develop' into ha_binding

Conflicts:
	sources/amqp2engines/opt/amqp2engines/engines/derogation.py
dispatcher are now  sync together (if more than one instanciated)
Merge branch 'ha_binding' into develop