Update bundled gems.
Convert specs to RSpec 2.99.1 syntax with Transpec

This conversion is done by Transpec 2.3.1 with the following command:
    transpec

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

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

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

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

* 86 conversions
    from: mock('something')
      to: double('something')

* 73 conversions
    from: be_false
      to: be_falsey

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

* 26 conversions
    from: be_true
      to: be_truthy

* 14 conversions
    from: expect(obj).to have(n).flows
      to: expect(obj.flows.size).to eq(n)

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

* 3 conversions
    from: expect(obj).to have(n).actions
      to: expect(obj.actions.size).to eq(n)

* 3 conversions
    from: pending { do_something_fail }
      to: pending; do_something_fail

* 2 conversions
    from: expect(obj).to have(n).apps
      to: expect(obj.apps.size).to eq(n)

* 2 conversions
    from: expect(obj).to have(n).hosts
      to: expect(obj.hosts.size).to eq(n)

* 2 conversions
    from: expect(obj).to have(n).links
      to: expect(obj.links.size).to eq(n)

* 2 conversions
    from: expect(obj).to have(n).switches
      to: expect(obj.switches.size).to eq(n)

* 1 conversion
    from: expect { }.not_to raise_error(SpecificErrorClass)
      to: expect { }.not_to raise_error

* 1 conversion
    from: it { should_not ... }
      to: it { is_expected.not_to ... }

* 1 conversion
    from: obj.should_not_receive(:message)
      to: expect(obj).not_to receive(:message)

* 1 conversion
    from: pending
      to: skip

For more details: https://github.com/yujinakayama/transpec#supported-conversions
RSpec 3.0.0.