maxNodeId() and maxEdgeId() changed to maxId(Node) and maxId(Edge)
getNodeObserverRegistry() and getEdgeObserverRegistry() changed to
getObserverRegistry(Node) and getObserverRegistry(Edge)

IdMappableGraphExtender erased

 BINARIES = tag_demo

 INCLUDEDIRS= -I. -I.. -I../.. -I../{marci,jacint,alpar,johanna,athos,akos} -I$(HOME)/boost

 include ../makefile