handle decodeThread restart
recirculate the frame buffer
update status on every frame, triggers next frame
OneShot callbacks, plug debugging output
send Progress update for qrcode not found
Merge branch 'master' into ticket-38

Fixed conflicts in:
	development/android/qrstreamlib/src/main/java/com/galois/qrstream/lib/Preview.java
	development/android/qrstreamlib/src/main/java/com/galois/qrstream/lib/Progress.java
	development/android/qrstreamlib/src/main/java/com/galois/qrstream/lib/ReceiveFragment.java
added copyright headers
removed boilerplate templaet from LICENSE
updated README
set versions to 0.1
qrstreamlib: restart transmission when QR density, error correction level, and #qr codes per frame change.
initial changelog
Job prints message title and mimetype
Merge branch 'master' into ticket-38

Conflicts:
	development/android/qrstreamlib/src/main/java/com/galois/qrstream/lib/ReceiveFragment.java
activate the left-arrow nav in Settings
take out the settings option when in the settings fragment
keep track of the lastFragment
Remove unused Picture class
Merge branch 'master' into ticket-38
added check headers script