Add missing #include <random>.
Switch VS projects to use vc12 openssl nuget package.
Sort and add define.hpp to API includes.
Workaround for msvc ctp_nov2013 compile break.
Add stealth.hpp/cpp, remove VS build message.
Update NuGet dependencies for updated EC.
Merge pull request #3 from evoskuil/develop

VS build and packaging updates and fixes.