0.19.1
======
Changes since 0.19.0:
- Include m4 macro for finding vapigen.
- Run introspection with make distcheck.
- Lower G-I requirement again.
- Add gupnp_context_manager_get_port.
- Don't stop configure if vapigen can't be found.
- Drop some deprecated stuff from VAPI.

All contributors to this release:
  Jens Georg <mail@jensge.org>