Add IRC notifications for Travis builds

.travis.yml

@@ -15,3 +15,11 @@ before_install:
     - echo "deb-src https://deb.torproject.org/torproject.org trusty main" | sudo tee -a /etc/apt/sources.list
     - sudo apt-get update -qq
     - sudo apt-get install tor -y
+
+notifications:
+  irc:
+    channels:
+      - "irc.oftc.net#tor-ci"
+    template:
+      - "%{repository_slug} %{branch} %{commit} - %{author}: %{commit_subject}"
+      - "Build #%{build_number} %{result}. Details: %{build_url}"