Merge branch 'fixlegends' into 'master'

Fix issue with histo legends

Closes #47

See merge request !75
5 jobs for master in 23 minutes and 3 seconds (queued for 8 seconds)
Status Name Job ID Coverage
  Build
passed build_linux_27 #140569
docker

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passed build_linux_36 #140570
docker

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passed build_macosx_27 #140571
macosx

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passed build_macosx_36 #140572
macosx

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  Deploy
passed deploy_beta #140573
deployer

00:00:28