ci changes

appveyor.yml

@@ -0,0 +1,34 @@
+image: Visual Studio 2017
+
+shallow_clone: true
+
+branches:
+  only:
+  - master
+
+skip_branch_with_pr: true
+
+skip_tags: true
+
+skip_commits:
+  files:
+  - BUILDING.md
+  - CONTRIBUTING.md
+  - ISSUE_TEMPLATE.md
+  - LICENCE
+  - README.md
+
+nuget:
+  disable_publish_on_pr: true
+
+build_script:
+- ps: .\build.ps1 -target appveyor -buildAssemblyVersion ($env:BuildVersion + $env:APPVEYOR_BUILD_NUMBER) -buildSemanticVersion ($env:BuildSemanticVersion + $env:APPVEYOR_BUILD_NUMBER)
+  
+test: off
+
+deploy: off
+
+artifacts:
+- path: artifacts/build
+- path: artifacts/packages
+- path: artifacts/test