Fix and add tests for unused `grapht` functions#2480

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smowton merged 2 commits intodiffblue:developfrom

smowton:smowton/admin/graph-unit-tests

Jun 27, 2018

Commits on Jun 27, 2018

Fix: several grapht functions were uncompilable if ever called

polgreen
authored and
smowton
committed
Add tests for grapht::make_chordal and grapht::connected_subgraphs
smowton
committed