Convert specs to RSpec expect syntax with transpec

This conversion is done by Transpec 1.13.1 with the following command:
    transpec

* 11 conversions
    from: obj.should
      to: expect(obj).to

* 5 conversions
    from: == expected
      to: eq(expected)

* 2 conversions
    from: expect(collection).to have(n).items
      to: expect(collection.size).to eq(n)

* 1 conversion
    from: collection.should have(n).items
      to: expect(collection.size).to eq(n)

* 1 conversion
    from: obj.should_not
      to: expect(obj).not_to