Hack for AppStore build upgrade

- Check if there is non-standard path defined and no bookmarged URL
    it means upgrade from pre-properly-sandboxed version. Ask
    user to confirm current directory
Add knob for sorting new files
Update translations
Sync Norvegian translation
Do not add ChangeLog to archive
Bump version number
Bundle abbinder with main GUI application

Improvement requested in #15
abbinder is now distributed as a part of GUI bundle. It could be extracted and
use indepedently though Path to command-line utility is
AudioBookBinder.app/Contents/MacOS/abbinder
Update documentation
Fix mess with sandboxing for AppStore build
Bump version