Merge branch 'release/0.4' into develop
Show progress indicator while printing

Also show errors if printer code isn't valid
Reachability checks
Make info button slightly smaller
Reposition take photos button if no camera

If no camera, move the take photo over to the left hand side so that it isn't stuck in the middle of the screen on it's own
v0.5
Merge branch 'release/0.5'