Update to the RSpec 3.0.0.rc1 gem.

Include related gem dependencies.
Convert specs to RSpec 3.0.0.rc1 syntax with Transpec

This conversion is done by Transpec 2.0.0 with the following command:
    transpec

* 4 conversions
    from: obj.stub(:message)
      to: allow(obj).to receive(:message)

* 3 conversions
    from: be_true
      to: be_truthy

* 2 conversions
    from: obj.should
      to: expect(obj).to

* 1 conversion
    from: be_false
      to: be_falsey

* 1 conversion
    from: describe 'some request' { }
      to: describe 'some request', :type => :request { }

* 1 conversion
    from: describe 'some routing' { }
      to: describe 'some routing', :type => :routing { }

See also: https://github.com/yujinakayama/transpec#supported-conversions
Remove autorun as it is no deprecated.
Include RSpec 3 configuration defaults.
Merge remote-tracking branch 'origin/upgrade-rspec3' into mergeo

* origin/upgrade-rspec3:
  Include RSpec 3 configuration defaults.
  Remove autorun as it is no deprecated.
  Convert specs to RSpec 3.0.0.rc1 syntax with Transpec
  Update to the RSpec 3.0.0.rc1 gem.

Conflicts:
	Gemfile.lock
	spec/kracken/updater_spec.rb