add function show_usage
  support re-run script
  remove trailing slash of cygwin_home
  add progress information when run script

  script won't exit even something is wrong

  add function show_usage
  add function check_os_is_wow64

  fix missing copy certificate/key files
  support re-run

ip:    fix format_interface_name always return re6stnet-lo

  Fix buildout workpath
  Fix file mode of script

  add santify check
  add option --computer-certificate
  add option --computer-key
  add option --client-certificate
  add option --client-key
  use ${var_name} format the code

  add function show_usage
  add options -P/--password, -U/--user

  use `uname` to tell x86 or x64 arch
  use 'slapguider' as user_base_name

to bootstrip slapos node in the cygwin

Fix error client configure file name

Fix service sshd start failed in the Windows7, because the default port 22 is used by other application, use 22002 instead

fix this problem by the script.

Fix re6stnet service couldn't start

      0 [main] python2.7 3416 child_info_fork::abort: unable to remap _zope_interface_coptimizations.dll to same address as parent (0x450000) - try running rebaseall
      0 [main] python2.7 2332 child_info_fork::abort: unable to remap etree.dll to same address as parent (0x28B0000) - try running rebaseall
      0 [main] python2.7 3604 child_info_fork::abort: unable to remap _zope_interface_coptimizations.dll to same address as parent (0x450000) - try running rebaseall