supported to install on windows 8 machine

@asm582 has tested this on windows machine 8 and it seems to be working fine.Please find below the results:

    C:\Users\swap>python --version
    Python 2.7.8

    D:\seattle\seattle>install.bat
    System benchmark starting...
    Benchmark complete and vessels created!
    Customizing seattle batch files...
    Done!
    Preparing Seattle to run automatically at startup...
    Seattle is setup to run at startup!
    Generating the Node Manager RSA keys.  This may take a few minutes...
    Keys generated!
    Starting seattle...
    seattle has been installed!
    To learn more about useful, optional scripts related to running seattle, see the
    README file.