Re-introduced contract-date-fincal module.
Renaming packaages for better organization.
Moved tests, resources up into contract-date-fincal module.
Refactor - moved FinancialCalendarGenerator to HolidayOutputWriter.
Removed obsolete modules: fincal-core, fincal-file.
Added JDBC output package to contract-date-fincal module; removed
fincal-jdbc module.
Renamed calc back to contract-date-calc module.
Renamed calc module back to contract-date-calc.