message: added xcode 8.3 image to travis
diff: @@ -220,6 +220,11 @@ matrix:
  osx_image: xcode8.2
  os: osx
  + # Xcode 8.3 Clang
  + - env: COMPILER=clang++ HAS_ASAN_32=true HAS_ASAN_64=true
  + osx_image: xcode8.3
  + os: osx
  +
  # OSX GCC 4.6
  - env: COMPILER=g++-4.6
  compiler: gcc
  