Do not trigger another docs/local/en update and push
to master when localized text changes

Need to check file changes in TRAVIS_COMMIT_RANGE

Draft pages about translation

Setup travis en template update

[Doc] Change Spark Python Notebook entry point sentence

make clean gettext
sphinx-intl update -p _build/gettext -l en

Build docs, images when appropriate

tx pull -all manually

Update to Spark 2.4.2

Update to JupyterLab 0.35.5

Until we figure out what I did wrong with the GitHub integration setup:
https://community.transifex.com/t/github-pr-goes-to-wrong-folder/366

This contains a fix for chrome download file bug: https://github.com/jupyterlab/jupyterlab/pull/6232#issuecomment-486618455

Try RTD+Transifex workflow

Upgrade Python in scipy-notebook to 3.7

Add vulnerability reporting info

https://discourse.jupyter.org/t/responsible-vulnerability-reporting/655

Update to Spark 2.4.1

https://www.apache.org/dist/spark/spark-2.4.1/spark-2.4.1-bin-hadoop2.7.tgz.sha512

The mirror we prefer no longer has 2.4.0