Add 64-bit Visual C++ platforms to appveyor
Add 64-bit Visual C++ platforms to appveyor

asgeroverby/cpputest,Mindtribe/cpputest,Mindtribe/cpputest,asgeroverby/cpputest,asgeroverby/cpputest,basvodde/cpputest,PaulBussmann/cpputest,offa/cpputest,basvodde/cpputest,asgeroverby/cpputest,basvodde/cpputest,cpputest/cpputest,cpputest/cpputest,PaulBussmann/cpputest,Mindtribe/cpputest,cpputest/cpputest,KisImre/cpputest,KisImre/cpputest,KisImre/cpputest,cpputest/cpputest,offa/cpputest,Mindtribe/cpputest,offa/cpputest,PaulBussmann/cpputest,offa/cpputest,KisImre/cpputest,PaulBussmann/cpputest,basvodde/cpputest