* debian/libdbus-cpp4.symbols.32bit: update to released version. * debian/libdbus-cpp4.symbols.64bit: update to released version. * Add a proper operator<< for dbus::Message::Type. (LP: #1524131) * Only run dbus_shutdown if explicitly requested by env var. (LP: #1422304, #1526877) * New rebuild forced. * Ensure that Signal with non-void argument types correctly narrow their match rules. (LP: #1480877) * New rebuild forced. * Do not cache emitted values for stub signals. (LP: #1509285) * Ensure that the signals are correctly emitted for when the services appear and go.