Validate pod on xcode8

Author: jberkel

.travis.yml

@@ -8,6 +8,15 @@ matrix:
     - os: osx
       osx_image: xcode8
       env: BUILD_SCHEME="SQLite Mac"
+    - os: osx
+      osx_image: xcode8
+      env: VALIDATOR_SUBSPEC="none"
+    - os: osx
+      osx_image: xcode8
+      env: VALIDATOR_SUBSPEC="standard"
+    - os: osx
+      osx_image: xcode8
+      env: VALIDATOR_SUBSPEC="standalone"
     - env: BUILD_SCHEME="SQLite iOS"
     - env: BUILD_SCHEME="SQLite Mac"
     - env: VALIDATOR_SUBSPEC="none"