Also added selection from tree view for downloading

Also modified protocol to better support eof’s on list and read
commands.

I was unsure how to update the QwtPlotPrintFilter code, so I just commented it out with a FIXME.

These changes prevent random encapsulated data packets as being thought
to be images.

Also changes for Ack timeouts and unit testing

Also deleted invalid line drawing options.

Fix HIL link reconnect issues due to missing threading flag usage, warn user about missing config and take him to config view if necessary

Fix HIL link reconnect issues due to missing threading flag usage, warn user about missing config and take him to config view if necessary