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

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

espeak: provide string length with 0 character, fixes problems with qgc reading out strange values/chars at the end of the sentence

This way the delete happens on the right thread.

Current version was not as clear as it could be.