[gnome-music] .travis.yml: add travis notifications to gitter.im room

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit 815ffc120e2f1098c2d5ad8ab3a246640a77306f
Author: Vadim Rutkovsky <vrutkovs redhat com>
Date:   Sat Feb 28 16:50:33 2015 +0100

    .travis.yml: add travis notifications to gitter.im room

 .travis.yml |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/.travis.yml b/.travis.yml
index dfe6162..5b32640 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,3 +13,10 @@ script:
   - "./autogen.sh"
   - "make"
   - "make distcheck"
+notifications:
+  webhooks:
+    urls:
+      - https://webhooks.gitter.im/e/288e384c48dc6f7d1de0
+    on_success: change
+    on_failure: always
+    on_start: false