message: Adds more options to webhook of travis.yml
diff: @@ -65,4 +65,5 @@ notifications:
  on_success: change # options: [always|never|change] default: always
  on_failure: always # options: [always|never|change] default: always
  on_start: never # options: [always|never|change] default: always
  -
  + on_cancel: always # options: [always|never|change] default: always
  + on_error: always # options: [always|never|chnage] default: always
  