Update Java Service Wrapper to v3.5.20

    - Windows: Self-compiled with VS2010 in Windows 7. The icon has been
      changed from Tanuki's default to Itoopie.
    - Linux ARMv6: Compiled on a RaspberryPi using gcc 4.6.3-14+rpi1,
      Icedtea6 6b27-1.12.5-1+rpi1 and stripped
    - All other binaries are from the "community edition" deltapack offered by
      Tanuki.