.travis.yml in jazzy-0.5.0 vs .travis.yml in jazzy-0.6.0

@@ -9,7 +9,7 @@
 notifications:
   email: false
   slack: realmio:vPdpsG9NLDo2DNlbqtcMAQuE
 matrix:
   include:
-    - osx_image: xcode7.2
-      env: TRAVIS_SWIFT_VERSION=2.1.1
+    - osx_image: xcode7.3
+      env: TRAVIS_SWIFT_VERSION=2.2