Mixer: Fix resize issues with JACK module connection display list.
Timeline: Add script to convert Ardour session to Non-Timeline format.
Timeline: Make ardour session importer work with ardour1 files. Also, don't fail if sample-rate is not specified.
Timeline: Update ardour session importer to work with ardour3 sessions.
Timeline: Ardour input script now merges sources for multi-channel tracks instead of creating multiple mono tracks.
TImeline: Add GUI for Ardour session import and corresponding menu entry.
Timeline: Don't allow import attempt when no project is loaded.