uncommented unit tests
Defered year resolve on FixedHoliday to allow custom expressions
Merge pull request #36 from kappy/FixedHolidayDefered

Defered year resolve on FixedHoliday to allow custom expressions
Removed St.Patricks day on en-GB (thanks @ConspiringWithTheDamned) fixes #37
Added Ireland locale
bumped version to 3.6