Merge pull request #1257 from matthiaskrgr/patch-1

travis: revert all changes done to notification section

.travis.yml

@@ -25,9 +25,11 @@ notifications:
   irc:
     channels:
       - "irc.freenode.org#stk"
+    skip_join: false
+    use_notice: true
     template:
       #- "[%{commit}: %{author}] %{message}"
       #- "%{build_url}"
-      - "[%{repository}#%{branch} @%{commit}] %{author}): %{message} diff: %{compare_url}"
+      - "[%{repository}#%{branch} @%{commit}] %{author}): %{message}"
+      - "Diff: %{compare_url}"
       - "Build: %{build_url}"
-    skip_join: true