initial add. move methods declaration, help, options struct to header files
split jack_audio_send/receive to header files, _common. start osc server early. read back port from osc server if random (port 0) was used. add options --quiet, --shutup for std output control. add preliminary OSC IPC support for GUI: --io, --iohost, --ioport, --nopush. noops/comments/text/method reordering.
new options added to doc