Redesign the maximum flow algorithms

Redesigned interface
Preflow changed to use elevator
Edmonds-Karp does not use the ResGraphAdaptor
Goldberg-Tarjan algorithm (Preflow with Dynamic Trees)
Dinitz-Sleator-Tarjan (Blocking flow with Dynamic Tree)

 #!/bin/bash

 echo '#include<'$1'>' >seedeps_tmp.cc

 gcc -MM -I. -I.. -I../.. $2 seedeps_tmp.cc|tr ':' ' '|tr '\' ' '|tr ' ' '\n'|

 egrep -v '^$'|egrep -v '.o$'|egrep -v '.cc$'|grep -v '^'$1'$'|sort

 rm seedeps_tmp.cc