2.53.1 Beryllium

Added the ability to specify a Firefox version on build-time of any NodeFirefox images (NodeFirefox, NodeFirefoxDebug, StandaloneFirefox StandaloneFirefoxDebug)

Please see Building your own images for more information

2.53.1 Americium

Moved creation of config.json into entry_point.sh so the config is created each time.

This will allow you to specify

$ docker run -d -e NODE_MAX_INSTANCES=5 -e NODE_MAX_SESSION=5

on both selenium/node-chrome and selenium/node-firefox.