Forgotten file that does all the stuff.
Merge pull request #10 from simonfojtu/qrdecode

Forgotten the one file that does all the stuff..
build detects LGPL2_1
libzbar install
invert sudo use for .build
qr-tiny
release/0.13.0
Conversion to grayscale only if required.
Merge pull request #11 from simonfojtu/qrdecode

Conversion to grayscale only if required.