lock rspec
Convert specs to RSpec 2.14.8 syntax with Transpec

This conversion is done by Transpec 2.2.1 with the following command:
    transpec -f

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

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

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

* 3 conversions
    from: lambda { }.should_not
      to: expect { }.not_to

* 1 conversion
    from: > expected
      to: be > expected

* 1 conversion
    from: collection.should have(n).items
      to: expect(collection.size).to eq(n)

For more details: https://github.com/yujinakayama/transpec#supported-conversions
update rspec
update editor normalizer

fix #10
see #8
update tokenizer

improve volume / page number splitting

fix #9
see #8
improve name initials normalizer

fix #12
fix #13
see #8
improve translator normalizer

fix #14
see #8
update normalizer

fix #16
fix #15 but needs more work
use biblatex date fields

see #8
add normalized hash format
add authority bibtex variants

see #8
0.6.10
update bibtex-ruby

add support for type/genre conversion

see #8
0.6.11