Convert specs to RSpec 3.0.0.beta2 syntax with Transpec

This conversion is done by Transpec 1.10.4 with the following command:
    transpec

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

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

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

* 8 conversions
    from: =~ /pattern/
      to: match(/pattern/)

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

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