use RelativeLayout to support overlay Views
use full screen height and black text
more black text and a little margin
toggle start/stop
give Transmit just the smallest dimention
take out Transmit Mode title
avoid reimplementing Math.min
use a @string resource
layout and string cleanups
onTouch, ask the camera to auto-focus
replace AlertDialog with toast
a failing unit test for square dimentions
always produce square QRcodes
dimension spelling fix
remove background color used to debug layout
Access labels and QR codes within LinearLayout to simplify handling of rows
Merge branch 'ticket-72'
merge ticket-65
set the initial value of transmitPaused to true so that touching the screen on the tx view once will start the transmission.  closses #54
Merge branch 'ticket-54'