message: Run coverage, sanitize and release builds in CI
  This expands the build verification to compile and run tests with
  sanitizers enabled.
diff: @@ -16,8 +16,9 @@ matrix:
  - TARGET="Visual Studio 15 2017 Win64"
  script:
  - - if [[ "$TRAVIS_OS_NAME" != "windows" ]]; then make config=release; fi
  - if [[ "$TRAVIS_OS_NAME" != "windows" ]]; then make config=coverage test; fi
  + - if [[ "$TRAVIS_OS_NAME" != "windows" ]]; then make config=sanitize test; fi
  + - if [[ "$TRAVIS_OS_NAME" != "windows" ]]; then make config=release test; fi
  - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then cmake -G "$TARGET" -DBUILD_DEMO=ON; fi
  - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then cmake --build . -- -verbosity:minimal; fi
  - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then ./Debug/demo.exe demo/pirate.obj; fi
  