language: ruby
rvm:
  - "2.2"
  - "2.1"
  - 2.0.0
  - 1.9.3
  - jruby-19mode
  - rbx

language: ruby
dist: trusty
sudo: required
before_install:
  - gem install bundler
rvm:
  - "2.2"
  - "2.3"
  - "2.4"
  - jruby
  - rubinius-3

Update list of Rubies to build on TravisCI
Update list of Rubies to build on TravisCI

Removed all versions before 2.2, since latest rack requires at least 2.2.2

Rubinius is not supported on the default (12.04) distribution,
so we must use newer distribution, and we need `sudo` to build Rubinius.
