update appveyor script for dotnet 1.0.0 and msbuild (proper versioning is still missing)
update appveyor script for dotnet 1.0.0 and msbuild (proper versioning is still missing)

dstockhammer/Brighter,BrighterCommand/Paramore.Brighter,BrighterCommand/Brighter,BrighterCommand/Paramore.Brighter,BrighterCommand/Brighter,BrighterCommand/Brighter,dstockhammer/Brighter