travis-ci: Enable IRC notification

.travis.yml

@@ -7,6 +7,11 @@ install:
 
 script:
     - tools/setup && ./configure && make
-
-#notifications:
+notifications:
+  irc:
+    channels:
+      - "chat.freenode.net#Monitoring-Plugins"
+    on_success: change
+    on_failure: always
+    skip_join: true
 #  email: false