Convert specs to RSpec 3.0.0.beta1 syntax with Transpec

This conversion is done by Transpec 1.5.0 with the following command:
    transpec

* 737 conversions
    from: obj.should_receive(:message)
      to: expect(obj).to receive(:message)

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

* 244 conversions
    from: == expected
      to: eq(expected)

* 113 conversions
    from: obj.should_not
      to: expect(obj).not_to

* 10 conversions
    from: obj.should_not_receive(:message)
      to: expect(obj).not_to receive(:message)

* 3 conversions
    from: it { should_not ... }
      to: it { is_expected.not_to ... }

* 2 conversions
    from: it { should ... }
      to: it { is_expected.to ... }

* 1 conversion
    from: =~ [1, 2]
      to: match_array([1, 2])

* 1 conversion
    from: lambda { }.should
      to: expect { }.to
update steps for new rspec
cleanup outdated gems
Merge pull request #389 from ali-graham/rspec_3

Rspec 3
require json in rspec tests so spec files can be executed directly with rspec
set spec_helper to use Oj, make api methods compatable
update fuubar to a non-yanked (yet) version
Convert specs to RSpec 3.0.0.beta1 syntax with Transpec

This conversion is done by Transpec 1.5.0 with the following command:
    transpec

* 810 conversions
    from: obj.should_receive(:message)
      to: expect(obj).to receive(:message)

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

* 191 conversions
    from: == expected
      to: eq(expected)

* 119 conversions
    from: obj.should_not
      to: expect(obj).not_to

* 50 conversions
    from: collection.should have(n).items
      to: expect(collection.size).to eq(n)

* 13 conversions
    from: obj.should_not_receive(:message)
      to: expect(obj).not_to receive(:message)

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

* 8 conversions
    from: it { should ... }
      to: it { is_expected.to ... }

* 7 conversions
    from: be_true
      to: be_truthy

* 6 conversions
    from: its(:attr) { }
      to: describe '#attr' do subject { super().attr }; it { } end

* 6 conversions
    from: be_false
      to: be_falsey

* 3 conversions
    from: it { should_not ... }
      to: it { is_expected.not_to ... }

* 2 conversions
    from: lambda { }.should
      to: expect { }.to

* 1 conversion
    from: =~ [1, 2]
      to: match_array([1, 2])
Merge commit '45468de' into threading_restructure

(Partial catchup with master)
Merge branch 'master' into threading_restructure