message: Rename CMAKE_GENERATOR to TARGET
  This makes the build description shorter
diff: @@ -13,10 +13,10 @@ matrix:
  - os: osx
  - os: windows
  env:
  - - CMAKE_GENERATOR="Visual Studio 15 2017"
  + - TARGET="Visual Studio 15 2017"
  - os: windows
  env:
  - - CMAKE_GENERATOR="Visual Studio 15 2017 Win64"
  + - TARGET="Visual Studio 15 2017 Win64"
  before_script:
  - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then PATH=$PATH:/c/Program\ Files/CMake/bin; fi
  @@ -24,7 +24,7 @@ before_script:
  script:
  - if [[ "$TRAVIS_OS_NAME" != "windows" ]]; then make config=release; fi
  - if [[ "$TRAVIS_OS_NAME" != "windows" ]]; then make config=coverage test; fi
  - - if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then cmake -G "$CMAKE_GENERATOR" -DBUILD_DEMO=ON; 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
  