* Enables Windows build.
* Modified CAPI call to avoid error when no key container is present for the user.
* Removed spurious white spaces.
* Enabled building Frodo on Windows using the Visual Studio solution.
* Replaced non-portable packed bit fields with bit masks.
* Removed commented-out code and defined macro that has been moved to preprocessor defs.
* Disabled AES NI when using x86 Visual Studio projects.
* Prettyprint.
* Removed warning Windows when using strdup, and removed the corresponding _strdup definition.
* Modified OQS projects to link statically with the system runtime, like the OpenSSL project does.
Otherwise we get link errors when including OQS in OpenSSL on Windows.
