Add notifications

.travis.yml

@@ -1,18 +1,22 @@
 matrix:
-    include:
-        - os: linux
-          language: android
-          sudo: false
-          android:
-            components:
-              - build-tools-23.0.1
-              - android-23
-              - extra-google-m2repository
-              - extra-android-m2repository
-          env: TERM=dumb
-        - os: osx
-          language: objective-c
-          osx_image: xcode7.3
-
+  include:
+  - os: linux
+    language: android
+    sudo: false
+    android:
+      components:
+      - build-tools-23.0.1
+      - android-23
+      - extra-google-m2repository
+      - extra-android-m2repository
+    env: TERM=dumb
+  - os: osx
+    language: objective-c
+    osx_image: xcode7.3
 install: scripts/install.sh
-script: scripts/ci.sh
+script: scripts/ci.sh
+branches:
+  only: master
+notifications:
+  slack:
+    secure: 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