Merge branch 'font-docs-ci' into 'master'

[docs-ci] isntalling minimal fonts on the linux docker image

See merge request !70
5 jobs for master in 10 minutes and 46 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #169663
docker
build_linux_36

00:03:53

passed #169664
docker
build_linux_37

00:02:57

passed #169665
macosx
build_macosx_36

00:04:12

passed #169666
macosx
build_macosx_37

00:07:19

 
  Deploy
passed #169667
docker
deploy_beta

00:03:27