message: Changed appveyor to VS2017
  They apparently updated to VS2017 15.3 a few days ago.
diff: @@ -4,7 +4,7 @@ environment:
  version: '{branch}-{build}'
  -os: Visual Studio 2015
  +os: Visual Studio 2017
  install:
  # Get all submodules, since AppVeyor doesn't clone with '--recursive':
  @@ -25,7 +25,7 @@ install:
  before_build: # We're still in %home%
  - cmd: mkdir build
  - cmd: cd build
  - - cmd: '%cmake% -G "Visual Studio 14 Win64" -DOpenCV_DIR=C:\projects\opencv -DBOOST_ROOT=C:\Libraries\boost_1_59_0 -DBOOST_LIBRARYDIR=C:\Libraries\boost_1_59_0\lib64-msvc-14.0 -DEIGEN3_INCLUDE_DIR=C:\projects\eigen-eigen-ce5a455b34c0 -DCMAKE_INSTALL_PREFIX=..\install -DEOS_BUILD_EXAMPLES=on -DEOS_BUILD_UTILS=on -DEOS_GENERATE_PYTHON_BINDINGS=on -DPYTHON_EXECUTABLE:path=C:\Python35-x64\python.exe ..\eos'
  + - cmd: '%cmake% -G "Visual Studio 15 Win64" -DOpenCV_DIR=C:\projects\opencv -DBOOST_ROOT=C:\Libraries\boost_1_59_0 -DBOOST_LIBRARYDIR=C:\Libraries\boost_1_59_0\lib64-msvc-14.0 -DEIGEN3_INCLUDE_DIR=C:\projects\eigen-eigen-ce5a455b34c0 -DCMAKE_INSTALL_PREFIX=..\install -DEOS_BUILD_EXAMPLES=on -DEOS_BUILD_UTILS=on -DEOS_GENERATE_PYTHON_BINDINGS=on -DPYTHON_EXECUTABLE:path=C:\Python35-x64\python.exe ..\eos'
  build:
  project: C:\projects\build\eos.sln
  