message: change version of visual
diff: @@ -8,7 +8,7 @@ build:
  parallel: true
  before_build:
  - - del "C:\Program Files (x86)\MSBuild\14.0\Microsoft.Common.targets\ImportAfter\Xamarin.Common.targets"
  + - del "C:\Program Files (x86)\MSBuild\12.0\Microsoft.Common.targets\ImportAfter\Xamarin.Common.targets"
  build_script:
  - cmd: >-
  