Add yml file to 1.x

Author: Matt Mason

appveyor.yml

@@ -0,0 +1,35 @@
+version: 1.0.{build}
+pull_requests:
+  do_not_increment_build_number: true
+branches:
+  only:
+  - dev
+  - master
+  - fsharp
+  - next
+  - core
+max_jobs: 1
+image: Visual Studio 2017
+clone_folder: c:\projects\azure-webjobs-sdk-script
+init:
+- ps: >-
+  $env:Path="c:\tools\php;c:\python35;C:\Program Files (x86)\Microsoft SDKs\F#\4.0\Framework\v4.0;"+$env:Path
+install:
+- ps: >-
+  mkdir c:\tools\php | out-null
+  Invoke-WebRequest https://azfunc.blob.core.windows.net/public/php-7.1.3-Win32-VC14-x86.zip -OutFile c:\tools\php\php.zip
+  Add-Type -AssemblyName System.IO.Compression.FileSystem
+  [System.IO.Compression.ZipFile]::ExtractToDirectory("c:\tools\php\php.zip", "c:\tools\php")
+  Install-Product node 6.11.2 x86
+build_script:
+- cmd: msbuild "WebJobs.Script.proj" /target:EnableSkipStrongNames;PackageScriptHost;PackageWebHost;TestBuild /verbosity:normal /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll" /property:Buildnumber=%APPVEYOR_BUILD_NUMBER%;Configuration=Release
+test_script:
+- cmd: runappveyortests.cmd
+artifacts:
+  - path: bin\Packages\*.zip
+    name: Runtime
+  - path: bin\Packages\*.nupkg
+    name: NuGet
+hosts:
+  api.nuget.org: 93.184.221.200
+  dist.nuget.org: 93.184.221.200