This is a preliminary for the renaming suggested in #116.
* src/twa/twa.hh (prop_state_based_acc, prop_inherently_weak,
prop_deterministic, prop_unambiguous, prop_stutter_invariant,
prop_stutter_sensitive): Do not default the argument to true.
* src/parseaut/parseaut.yy, src/twaalgos/degen.cc,
src/twaalgos/dtbasat.cc, src/twaalgos/dtgbasat.cc,
src/twaalgos/minimize.cc, src/twaalgos/randomgraph.cc,
src/twaalgos/remfin.cc, src/twaalgos/sbacc.cc,
src/twaalgos/simulation.cc, src/twaalgos/totgba.cc,
wrap/python/tests/remfin.py: Adjust.
* wrap/python/spot_impl.i (get_name, set_name): New methods for twa.
* wrap/python/tests/remfin.py: Test them.
* wrap/python/ajax/spotcgi.in: Use set_name().
* NEWS: Mention it.