XyzConcept moved to Xyz::Constraints
use checkConcept in the next way:

checkConcept<ErasableGraph, ListGraph>();
checkConcept<ReadWriteMap<Node, Node>, PredMap>;

 BINARIES = bfs_test min_cost_flow

 INCLUDEDIRS= -I../.. -I.. -I../{athos,klao,marci,jacint,alpar,johanna,akos} 

 include ../makefile