Convert specs to RSpec 2.14.7 syntax with Transpec

This conversion is done by Transpec 1.11.1 with the following command:
    transpec

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

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

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

* 1 conversion
    from: obj.should_not
      to: expect(obj).not_to
Version 3.0.4

handle windows vs. unix line breaks consistently in html output

Issue #38
Merge branch 'feature/run_transpec' of github.com:petergoldstein/diffy into petergoldstein-feature/run_transpec
Bump rspec dependency