Attempt to get the nuget packages to be published as an artifact

Author: niemyjski

appveyor.yml

@@ -32,7 +32,7 @@ test_script:
 after_test:
   - cd ..
   - ps: nuget pack -Version $env:APPVEYOR_BUILD_VERSION
-  - appveyor PushArtifact "Exceptionless.UI.$env:APPVEYOR_BUILD_VERSION.nupkg"
+  - ps: appveyor PushArtifact "Exceptionless.UI.$env:APPVEYOR_BUILD_VERSION.nupkg"
   - nuget install OctopusTools
   - ps: '&(ls .\OctopusTools*\Octo.exe) create-release --project="Exceptionless UI" --version "$env:APPVEYOR_BUILD_VERSION" --server "$env:OCTOPUS_API_URL" --apiKey "$env:OCTOPUS_API_KEY" --deployto Dev'