remove rspec deprecations
fix uninitialized constant JSON::State exception
Merge branch 'rspec' of https://github.com/filiptepper/feedzirra into filiptepper-rspec

* 'rspec' of https://github.com/filiptepper/feedzirra:
  fix uninitialized constant JSON::State exception
  remove rspec deprecations

Conflicts:
	spec/feedzirra/feed_spec.rb