#764 - added new property "endDate" for class account

...in/java/de/deadlocker8/budgetmaster/accounts/Account.java

.../de/deadlocker8/budgetmaster/accounts/AccountService.java

...adlocker8/budgetmaster/settings/demo/DemoDataCreator.java

...ntegration/EnsureAllIconizableHaveAnIconInstanceTest.java

.../de/deadlocker8/budgetmaster/unit/AccountServiceTest.java

...ava/de/deadlocker8/budgetmaster/unit/IconServiceTest.java

...java/de/deadlocker8/budgetmaster/unit/IconizableTest.java

...de/deadlocker8/budgetmaster/unit/TemplateServiceTest.java

...cker8/budgetmaster/unit/TransactionImportServiceTest.java

...udgetmaster/unit/TransactionSearchSpecificationsTest.java

...er8/budgetmaster/unit/TransactionServiceDatabaseTest.java

...deadlocker8/budgetmaster/unit/TransactionServiceTest.java

...ker8/budgetmaster/unit/TransactionSpecificationsTest.java

...ocker8/budgetmaster/unit/database/DatabaseExportTest.java

...it/database/DatabaseParser_v11_convertToInternalTest.java

...locker8/budgetmaster/unit/database/ImportServiceTest.java

...getmaster/unit/database/importer/AccountImporterTest.java

...etmaster/unit/database/importer/TemplateImporterTest.java

...aster/unit/database/importer/TransactionImporterTest.java

...aster/unit/repeating/RepeatingTransactionUpdaterTest.java