patch out find_tor_binary() for tests
patch out find_tor_binary() for tests

david415/txtorcon,ghtdak/txtorcon,meejah/txtorcon,ghtdak/txtorcon,david415/txtorcon,isislovecruft/txtorcon,sammyshj/txtorcon,sammyshj/txtorcon,isislovecruft/txtorcon,meejah/txtorcon