Merge branch '185_toolchain_preview' into 'master'

Toolchain preview in experiment editor

See merge request !145
5 jobs for master in 27 minutes and 58 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #205634
docker
build_linux_36

00:11:34

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passed #205635
docker
build_linux_37

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91.0%
passed #205632
macosx
build_macosx_36

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passed #205633
macosx
build_macosx_37

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  Deploy
passed #205636
docker
deploy_beta

00:01:27