add python37 tag to VS 2017 builds

17 jobs for master in 6 minutes and 3 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #62034
Linux
build-2.7-linux

00:01:17

passed #62035
Apple
build-2.7-macos

00:02:35

passed #62032
Linux
build-3.5-linux

00:01:17

passed #62033
Apple
build-3.5-macos

00:02:38

passed #62031
python37 VS2017
build-3.7-VS2017

00:01:21

 
  Test
passed #62039
Linux
test-2.7-linux

00:00:08

passed #62040
Apple
test-2.7-macos

00:00:16

passed #62037
Linux
test-3.5-linux

00:00:05

passed #62038
Apple
test-3.5-macos

00:00:18

passed #62036
python37 VS2017
test-3.7-VS2017

00:00:28

 
  Deploy
passed #62044
Linux
deploy-2.7-linux

00:00:01

passed #62045
Apple
deploy-2.7-macos

00:00:01

passed #62042
Linux
deploy-3.5-linux

00:00:01

passed #62043
Apple
deploy-3.5-macos

00:00:01

passed #62041
python37 VS2017
deploy-3.7-VS2017

00:00:02

passed #62047
Linux
deploy-documentation

00:00:10

passed #62046
Linux
deploy-sdist

00:00:13