Windows native https, ftps and ntlm implemented

[YX Hao]

Hey guys,

I have implemented the Windows native https, ftps and ntlm. So, now I can:
1. Get rid of the OpenSSL and use the Windows certificate store directly;
2. Generate smaller executable.

If you are interested in it, please refer to commits:
https://github.com/lifenjoiner/wget-for-windows/commit/06c983972815a9eacedfc184eecfccc45ff6db0f
https://github.com/lifenjoiner/wget-for-windows/commit/0219313dba6395df3144f11710bc4ad8c5fbe027
https://github.com/lifenjoiner/wget-for-windows/commit/40150772ebecaae5c50860622968e362e6a2061d
https://github.com/lifenjoiner/wget-for-windows/commit/33e42fba76d89f4a0ca2bf876414d7692f5fdf58
https://github.com/lifenjoiner/wget-for-windows/commit/b928bfacf6cc0e6dc6e06981be0669274433f5b0


Best Regards,
YX Hao