quick and dirty and hackish fix to get specs running

I'm guessing the problem is related to how `require` is working. Here's the error that this bypasses:

```sh
➜  bronto git:(dev) rake spec                     
/Users/alandelevie/.rvm/rubies/ruby-2.1.1/bin/ruby -S rspec ./spec/integration/api_spec.rb ./spec/integration/app_spec.rb
/Users/alandelevie/.rvm/gems/ruby-2.1.1/gems/backports-3.6.0/lib/backports/tools.rb:343:in `require': cannot load such file -- spec/support/json (LoadError)
	from /Users/alandelevie/.rvm/gems/ruby-2.1.1/gems/backports-3.6.0/lib/backports/tools.rb:343:in `require_with_backports'
	from /Users/alandelevie/uscis/bronto/spec/spec_helper.rb:7:in `<top (required)>'
	from /Users/alandelevie/uscis/bronto/spec/integration/api_spec.rb:1:in `require'
	from /Users/alandelevie/uscis/bronto/spec/integration/api_spec.rb:1:in `<top (required)>'
	from /Users/alandelevie/.rvm/gems/ruby-2.1.1/gems/rspec-core-2.14.8/lib/rspec/core/configuration.rb:896:in `load'
	from /Users/alandelevie/.rvm/gems/ruby-2.1.1/gems/rspec-core-2.14.8/lib/rspec/core/configuration.rb:896:in `block in load_spec_files'
	from /Users/alandelevie/.rvm/gems/ruby-2.1.1/gems/rspec-core-2.14.8/lib/rspec/core/configuration.rb:896:in `each'
	from /Users/alandelevie/.rvm/gems/ruby-2.1.1/gems/rspec-core-2.14.8/lib/rspec/core/configuration.rb:896:in `load_spec_files'
	from /Users/alandelevie/.rvm/gems/ruby-2.1.1/gems/rspec-core-2.14.8/lib/rspec/core/command_line.rb:22:in `run'
	from /Users/alandelevie/.rvm/gems/ruby-2.1.1/gems/rspec-core-2.14.8/lib/rspec/core/runner.rb:80:in `run'
	from /Users/alandelevie/.rvm/gems/ruby-2.1.1/gems/rspec-core-2.14.8/lib/rspec/core/runner.rb:17:in `block in autorun'
Coverage report generated for RSpec to /Users/alandelevie/uscis/bronto/coverage. 72 / 97 LOC (74.23%) covered.
/Users/alandelevie/.rvm/rubies/ruby-2.1.1/bin/ruby -S rspec ./spec/integration/api_spec.rb ./spec/integration/app_spec.rb failed
```