Change Linux application directory structure as follows:

$APPDIR/runtime -> $APPDIR/lib/runtime
$APPDIR/app -> $APPDIR/lib/app
$APPDIR/bin/<launcher_name>.desktop -> $APPDIR/lib/<launcher_name>.desktop
$APPDIR/bin/<launcher_name>.png -> $APPDIR/lib/<launcher_name>.png
$APPDIR/bin/libapplauncher.so -> $APPDIR/lib/libapplauncher.so