3.141.59-selenium

Upgrade base ubuntu image to ubuntu:bionic-20190612 (#935) :: thanks @tadashi0713!

Provide classpath instead of jar when invoking java (#933) :: thanks @doublemarket!

Add ability to configure screen DPI (#942) :: thanks @CaffeinatedCM!

3.141.59-selenium release :: @diemol

Versions Information:

(upgrades are highlighted)

• Selenium: 3.141.59
• Google Chrome: 75.0.3770.100
• ChromeDriver: 75.0.3770.140
• Mozilla Firefox: 68.0
• GeckoDriver: 0.24.0