more deps for MINTsm

we _really_ need 'python-gst0.10' in order to use gst.rtspserver;
we also probably want 'gstreamer0.10-alsa' as a direct source
mark dependencies as required or optional/unsure

deps prefixed with "+" are required;
deps prefixed with "-" are optional/unsure
on the GUI-side, we need "qtnetwork"
simple PdFile parser

to detect number of iolets
basic Pd infrastructure