message: appveyor: boost is not required anymore
diff: @@ -37,8 +37,6 @@ before_build:
  - cd C:\
  - appveyor DownloadFile https://curl.haxx.se/download/curl-7.56.1.zip
  - 7z x -y curl-7.56.1.zip
  - - appveyor DownloadFile https://dl.bintray.com/boostorg/release/1.64.0/source/boost_1_64_0.7z
  - - 7z x -y boost_1_64_0.7z
  build: on
  @@ -65,15 +63,6 @@ build_script:
  ) else (
  cmake --build . --target install --config Release
  )
  - - cd C:\boost_1_64_0
  - - set boost_dir=C:\boost_1_64_0
  - - set cores=%NUMBER_OF_PROCESSORS%
  - - set msvcver=msvc-14.1
  - - cd %boost_dir%
  - - bootstrap.bat
  - - b2 --with-system --with-date_time --j%cores% toolset=%msvcver% address-model=64 architecture=x86 link=static threading=multi runtime-link=shared --build-type=minimal stage --stagedir=stage/x64
  - - set BOOST_ROOT=%boost_dir%
  - - set BOOST_LIBRARYDIR=%boost_dir%\stage\x64\lib
  - cd %dronecode_sdk_dir%
  - cd example\takeoff_land
  - md build
  @@ -118,7 +107,7 @@ build_script:
  - cd example\follow_me
  - md build
  - cd build
  - - cmake .. -G "Visual Studio 15 2017 Win64" -DBoost_USE_STATIC_LIBS=ON
  + - cmake .. -G "Visual Studio 15 2017 Win64"
  - if "%configuration%"=="Debug" (
  cmake --build . --config Debug
  ) else (
  