#663 - migrator: use LocalDate instead of String for dates

...er8/budgetmaster/databasemigrator/BatchConfiguration.java

...tor/destination/repeating/DestinationRepeatingOption.java

...estination/repeating/end/DestinationRepeatingEndDate.java

...igrator/destination/report/DestinationReportSettings.java

...rator/destination/transaction/DestinationTransaction.java

...ster/databasemigrator/steps/reader/TransactionReader.java

...igrator/steps/reader/repeating/RepeatingOptionReader.java

...or/steps/reader/repeating/end/RepeatingEndDateReader.java

...asemigrator/steps/reader/report/ReportSettingsReader.java

...tmaster/databasemigrator/MigrateRepeatingEndDateTest.java

...tmaster/databasemigrator/MigrateRepeatingOptionsTest.java

...getmaster/databasemigrator/MigrateReportSettingsTest.java

...udgetmaster/databasemigrator/MigrateTransactionsTest.java