v1.4.0

• Remove many older ruby versions. We currenly support:

  • MRI ruby versions:
    • 2.2.2
    • 2.2.1
    • 2.1.6
    • 2.1.5
    • 2.0.0
  • JRuby verisons:
    • ruby-1.9.3-jruby-1.7.19
    • ruby-2.0.0-jruby-1.7.19
    • ruby-2.2.0-jruby-9.0.0.0.pre1

  (https://www.pivotaltracker.com/story/show/93201508)
  (https://www.pivotaltracker.com/story/show/90697240)
  (https://www.pivotaltracker.com/story/show/90697238)

• Update to latest OpenJDK 1.8
  (https://www.pivotaltracker.com/story/show/90697236)

• Updated to latest node JS
  (https://www.pivotaltracker.com/story/show/90697226)