package/ci: enable Gitter notifications.

package/ci/appveyor.yml

@@ -15,6 +15,13 @@ environment:
   matrix:
   - BUILD_STATIC: OFF
 
+notifications:
+- provider: Webhook
+  url: https://webhooks.gitter.im/e/415ae90928ba0dbd3df4
+  on_build_success: false
+  on_build_failure: true
+  on_build_status_changed: true
+
 install:
 - call "C:/Program Files (x86)/Microsoft Visual Studio 14.0/VC/vcvarsall.bat"
 - set PATH=C:/Sys/bin;C:/tools/ninja;%APPVEYOR_BUILD_FOLDER%/openal/bin/Win32;%PATH%

package/ci/travis.yml

@@ -18,6 +18,14 @@ addons:
     - cmake
     - libopenal-dev
 
+notifications:
+  webhooks:
+    urls:
+      - https://webhooks.gitter.im/e/00ec7a9066bb0fec98f3
+    on_success: change
+    on_failure: always
+    on_start: never
+
 cache:
   directories:
   - $HOME/sdl2