Added Appveyor config for Windows CI builds

appveyor.yml

@@ -0,0 +1,41 @@
+os: unstable
+environment:
+  matrix:
+  - nodejs_version: "6"
+
+platform:
+  - x64
+
+install:
+  - ps: Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs_version) $env:platform;
+  - ps: $env:Path += ";$(pwd)\node_modules\.bin";
+  - ps: >
+      @{
+        "nodejs_version" = $env:nodejs_version
+        "platform" = $env:platform
+        "node binary version" = $(node -v)
+        "node platform@arch" = $(node -p 'process.platform + process.arch')
+        "npm version" = $(npm -v)
+        "APPVEYOR_REPO_COMMIT_MESSAGE" = $env:APPVEYOR_REPO_COMMIT_MESSAGE
+        "git latest tag" = "$(git describe --tags --always HEAD)"
+        "appveyor_repo_tag" = $env:appveyor_repo_tag
+      } | Out-String | Write-Host;
+
+  # Cleanup the output of npm
+  - ps: >
+      npm config set progress false
+      npm config set spin false
+
+  # Install dependencies
+  - npm install
+
+build_script:
+  - npm run compile
+
+test_script:
+  - npm run test
+
+deploy: OFF
+
+matrix:
+  fast_finish: true