Convert specs to RSpec 2.14.7 syntax with Transpec

This conversion is done by Transpec 1.9.1 with the following command:
    transpec spec/

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

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

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

* 19 conversions
    from: obj.should_receive(:message).any_number_of_times
      to: allow(obj).to receive(:message)

* 13 conversions
    from: expect { }.not_to raise_error(SpecificErrorClass)
      to: expect { }.not_to raise_error

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

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

* 1 conversion
    from: lambda { }.should_not
      to: expect { }.not_to