adds a minimaly working jack plugin
adds a minimaly working jack plugin
fixed compiler warning

Conflicts:
	jack.c
code cleanup and input handling improvements
event handling and code cleanup
added credit for jack plugin
code conventions
op_jack_buffer_size: return min available space
op_jack_cb: moved pause outside of loop.
	either play all channels or none at all
cleanup
handle channels getting out of sync when underrun
free ports with jack_free as per doc
Adds resampling via libsamplerate
Adds jack OP