Specify using VS2015 to build, rather than defaulting to it.
Specify using VS2015 to build, rather than defaulting to it.

AzureAD/microsoft-authentication-library-for-dotnet,AzureAD/azure-activedirectory-library-for-dotnet,AzureAD/microsoft-authentication-library-for-dotnet,AzureAD/microsoft-authentication-library-for-dotnet,AzureAD/microsoft-authentication-library-for-dotnet