Zxing libraries added into the project
Updated classpath with new libraries
Added qr xml info
Added qr image
Refactored code in DecodeQRCode class
Updated lq1 class and xml so it works as a fragment
Updated classpath so the zxing libraries work correctly
Added qr title as a resource
Refactored DecodeQRCode class
Solved issues with the new fragment
Updated the main menu so it can run the new fragment
Merge pull request #2 from AllanLeon/MergeLQR

Merge qr decodification branch