Update travis xcode version to 8.3 (#13)

paulb777 · morganchen12 · commit 6261906a4e65 · 2017-05-17T16:26:35.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,4 +1,4 @@
-osx_image: xcode8.1
+osx_image: xcode8.3
 language: objective-c
 # cache: cocoapods
 podfile: Example/Podfile
