updated zxing core lib
Changed credentials to xml
Added support for old version, bugs in options selected
Added encoding hint in QR image
Changed scan intents
Added dialog for QR filename
Added support for custom QR filename
Recover custom filename part in filename dialog
Fixed filename recovery dialog
Changed file storage paths to android guidelines
Handled storage path change
Context change
Media Scanner change, remove unecessary callback
Added log everywhere
Changed output path because of .nomedia in Android/data/
Changed scan from file result Uri handling
Fixed export key
QR images in separate folder
Update MainActivity.java
Ready for release 1.1