fix resolving properties for swagger (#610)
fix resolving properties for swagger (#610)


superyyrrzz/docfx,LordZoltan/docfx,pascalberger/docfx,pascalberger/docfx,hellosnow/docfx,DuncanmaMSFT/docfx,hellosnow/docfx,dotnet/docfx,LordZoltan/docfx,DuncanmaMSFT/docfx,928PJY/docfx,dotnet/docfx,928PJY/docfx,hellosnow/docfx,pascalberger/docfx,928PJY/docfx,LordZoltan/docfx,superyyrrzz/docfx,superyyrrzz/docfx,LordZoltan/docfx,dotnet/docfx