Merge branch 'cmake_path' into 'master'

use cmake in PATH for Windows CI jobs

See merge request !28
9 jobs from supportVS2017 in 3 minutes and 56 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
canceled #51885
VS2013
VS2013-32-bit

canceled #51884
VS2013
VS2013-64-bit

canceled #51883
VS2015
VS2015-32-bit

canceled #51882
VS2015
VS2015-64-bit

passed #51879
Linux
clang-c++11

00:02:33

passed #51881
Linux
cppcheck

00:00:43

passed #51886
Linux
doc

00:00:20

passed #51878
Linux
gcc-c++11

00:03:55

passed #51880
Apple
macos-c++11

00:01:27