From 3728c4d9434c08ffaf68dada5a6aacb6603bf13c Mon Sep 17 00:00:00 2001
From: Andrea Cassioli boykov_kolmogorov_max_flow<
found, this vertex becomes a free vertex (marked gray), and it's
children become orphans. The adoption phase terminates if there are
no more orphans.

Details:

Details:
Marking heuristics: A timestamp is stored for each vertex
which shows in which iteration of the algorithm the distance to the
diff --git a/doc/figs/bk_max_flow.gif b/doc/figs/bk_max_flow.gif
deleted file mode 100644
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