These 4 patches are roughly from Ben's wip-rails branch.

Ben Woodcroft (4):
  gnu: Add ruby-yajl-ruby.
  gnu: Add ruby-oj.
  gnu: Enable tests for ruby-multi-json.
  gnu: Add ruby-multi-test.

 gnu/packages/ruby.scm | 122 ++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 117 insertions(+), 5 deletions(-)