77web/Japanese.Holiday — pull request #4 by 77web (2014-11-27 13:34:51+00:00)
Title: wip: enable calculating past holidays from fixed dates

- [x] add PastCalculator for fixed dates
- [ ] add CalculatorRepository to see which Calculator to use for specified year(AnnualCalculator or PastCalculator)
- [ ] change Repository to depend not on AnnualCalculator but on CalculatorRepository