Add ability to decode multiple QR codes within a single image
Merge branch 'master' into ticket-15
Merge branch 'master' into ticket-15
Merge branch 'master' into ticket-15
Enable Rx to decode multiple QR codes from single frame
Enable test of multi QR code reader.

Single image contains 4 qr codes. When read, the Receiver should detect all 4 codes
in the frame and notice that the message has been ready fully.
Merge branch 'ticket-15'