bundler-api.herokuapp.com more stable than rubygems.org

... and allow debugger in `bundle exec rspec`
make test a little-less fickle
end_on doesn't exist
follow rspec _spec.rb conventions
ruby-1.9.x syntax
fix refactor breakage...

... including namespace conflict fixes with rails-3.x
Merge branch 'hotfix/refactor_b0rkage_fix'
Merge branch 'hotfix/refactor_b0rkage_fix' into next
version bump
Merge branch 'release/v0.2.13'