Enable publishing to WintonCode's NuGet account

Author: Jos Hickson

appveyor.yml

@@ -11,3 +11,19 @@ build_script:
   - ps: .\build.ps1 -VersionAndPublish (-Not $env:APPVEYOR_PULL_REQUEST_NUMBER)
 
 test: off
+
+artifacts:
+- path: .\**\*.nupkg
+  name: NuGet
+  
+nuget:
+  disable_publish_on_pr: true 
+  
+deploy:  
+- provider: NuGet
+  api_key:
+    secure: CxMH3k6k/Rpz1zjToGDAelLWDT/gDqRo08iEUAQsRnL+WRo+4TL5gLiNEUy/GfUy
+  on:
+    branch: 
+    - master
+    - /release\/[0-9]\.[0-9]/