fixed nasty typo
overwork compatibility variables type
refractoring timer names
impelement statemachine for compatibility mode
update proxy instance tester
tested backword compability state machine
implement backward compatibility querier behaviour
igmp receiver updated for IGMPv2 support
mld receiver updated for MLDv1 support
refractoring record versus report
removed unused group membership version variable
update TODO
udpate TODO list
update backward compatibility
add mininet classic example figure
update mininet example
fix membership aggrigation in combination with backward compatibility
implement to_string for membership aggregation data structs
code improvement in class simple_mc_proxy_routing
fixed INCLUDE membership aggregation