See if AppVeyor will build for us (only builds for tags)

Former-commit-id: 9ec60d9ed6e5954a7d9ff2650ca55ec56332dd33

appveyor.yml

@@ -0,0 +1,30 @@
+environment:
+  VisualStudioVersion: 12.0
+
+version: 53.0.0-CI{build}
+
+shallow_clone: true
+
+# Start builds on tags only (GitHub and BitBucket)
+skip_non_tags: true
+
+# to run your custom scripts instead of automatic MSBuild
+build_script:
+  - ps: .\build.ps1
+
+# Disable tests
+test: off
+
+artifacts:
+  - path: NuGet\*.nupkg
+    name: nupkgfiles
+
+# Publish to myget.org feed
+deploy:
+  provider: NuGet
+  server: https://www.myget.org/F/cefsharp/api/v2/package
+  api_key:
+    secure: uftPtLACVpFbbbFBeFK6XD5fGkv33c+Xa3PWkyWgrod6FNl4AYGOtxScn+gsuuxD
+  skip_symbols: false
+  symbol_server: https://www.myget.org/F/cefsharp/api/v2/package
+  artifact: nupkgfiles