* src/twaalgos/safety.cc, src/twaalgos/safety.hh: Rename as ... * src/twaalgos/strength.cc, src/twaalgos/strength.hh: ... these. * src/bin/ltlfilt.cc, src/tests/ikwiad.cc, src/twaalgos/Makefile.am, src/twaalgos/compsusp.cc, src/twaalgos/minimize.cc, wrap/python/spot_impl.i: Adjust.
