Fix passing {:object=>object} into Rails4 ActionView::Helpers::Tags::Base.new
Setup testing to work with Rails 3 and 4.
Expect the carmen source to be in a sibling path for access to its spec_data files.
Merge branch 'rails4-object-injection' of https://github.com/bshelton229/carmen-rails into bshelton229-rails4-object-injection