Set use_notice for Travis CI notifications [skip-ci]

edef1c · edef1c · commit dd6cf23d6b60 · 2016-09-16T05:17:10.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -18,3 +18,4 @@ notifications:
     channels:
       - "irc.mozilla.org#libfringe"
     skip_join: true
+    use_notice: true
