[CI] Use Xcode 8 and new target platforms

Should work better… :/

Author: Clément Le Provost

.travis.yml

@@ -2,14 +2,13 @@ branches:
   only:
     - master
     - v4
-osx_image: xcode7.3
+osx_image: xcode8
 language: objective-c
 env:
   matrix:
-    - PLATFORM="OSX"    SDK="macosx10.11"
-    - PLATFORM="iOS"    SDK="iphonesimulator9.3"    DESTINATION="OS=8.1,name=iPhone 6"
-    - PLATFORM="iOS"    SDK="iphonesimulator9.3"    DESTINATION="OS=9.3,name=iPhone 6"
-    - PLATFORM="tvOS"   SDK="appletvsimulator9.2"   DESTINATION="OS=9.2,name=Apple TV 1080p"
+    - PLATFORM="OSX"    SDK="macosx10.12"
+    - PLATFORM="iOS"    SDK="iphonesimulator10.0"    DESTINATION="OS=10.0,name=iPhone 6"
+    - PLATFORM="tvOS"   SDK="appletvsimulator10.0"   DESTINATION="OS=10.0,name=Apple TV 1080p"
 install:
   - pod install --repo-update
 before_script: