Created a YAML file for AppVeyor build
Fixes to NuGet packaging and verbosity
Added configuration and platform to NuGet packing
Added echo of configuration and platform
Fixed a problem with the platform name
Fixed handling of platform since NuGet pack requires the version without a space
Added proper working directory before each step
Playing with paths
Publish NuGet packages as artifacts directly after creating them
Merge pull request #45 from Georadix/feature/appveyor-yml

YAML build configuration for AppVeyor