Merge pull request #27 from tparnell8/AddGitterNotification

add gitter notification webhook

appveyor.yml

@@ -1,5 +1,11 @@
 version: 0.2.{build}
 configuration: Release
+notifications:
+- provider: Webhook
+  url: https://webhooks.gitter.im/e/4ddb88959635299132ce
+  on_build_success: true
+  on_build_failure: true
+  on_build_status_changed: true
 assembly_info:
   patch: true
   file: '**\AssemblyInfo.*'