Add recurrence Parser singleton
Reference dateValueFormat from Parser
Add simple arg support to Siesta shell script
Refactor Rule a bit

- Add frequency strings
- Add WEEKDAYS support
- Update getDescription() to support dynamic frequency values
- Other cosmetic updates
Unit test updates

- Change 'Annualy' to 'Yearly'
- Add weekday tests
Use frequency values from the Parser
Add support for "1 time" singular description
Refactor for easier locale support
More refactoring for locale support
Switch ordinals to associative array
Cosmetic whitespace fixes
Add rrule and startDate configs
Add Rule parseDate and formatDate methods
Lots of recurrence Rule doc improvements
Update applyUntil to call parseDate
Add comments regarding UTC dates
Added config parameter for language
Added HTML meta tags for content type UTF8
Added English and German strings for recurrence widgets
Worked on localization