3.14.0-beryllium

change depth from 12 to 24. Using 12 gave an xvfb error when starting container :: thanks @smccarthy!

Fix typo "deattached" in README :: thanks @nicolaiparlog!

Removed obsolete ENV word :: thanks @remcorakers!

Adding info on how to wait for the Grid to be ready :: @ddavison and @diemol

3.14.0-beryllium release :: @diemol

Versions Information:

(upgrades are highlighted)

• Selenium: 3.14.0
• Google Chrome: 68.0.3440.106
• ChromeDriver: 2.41
• Mozilla Firefox: 61.0.1
• GeckoDriver: 0.21.0