Convert specs to RSpec 2.99.0 syntax with Transpec

This conversion is done by Transpec 2.2.4 with the following command:
    transpec

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

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

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

* 3 conversions
    from: be_true
      to: be_truthy

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

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