rvm:
  - 1.9.2
  - 1.9.3
  - ruby-head

rvm:
  - 1.9.2
  - 1.9.3
  - ruby-head
  - jruby-19mode
  - jruby-head
  
matrix:
  allow_failures:
  - rvm: ruby-head
  - rvm: jruby-head
Test jruby, and ignore failures on ruby-head and jruby-head
Test jruby, and ignore failures on ruby-head and jruby-head