#268 - persist report settings in database; refactoring

...java/de/deadlocker8/budgetmaster/authentication/User.java

...eadlocker8/budgetmaster/controller/AccountController.java

...adlocker8/budgetmaster/controller/CategoryController.java

...deadlocker8/budgetmaster/controller/ReportController.java

...adlocker8/budgetmaster/controller/SettingsController.java

...n/java/de/deadlocker8/budgetmaster/database/Database.java

.../de/deadlocker8/budgetmaster/database/DatabaseParser.java

.../deadlocker8/budgetmaster/database/DatabaseParser_v3.java

...r8/budgetmaster/database/accountmatches/AccountMatch.java

...eadlocker8/budgetmaster/database/legacy/LegacyParser.java

...ava/de/deadlocker8/budgetmaster/entities/Transaction.java

...de/deadlocker8/budgetmaster/entities/account/Account.java

...eadlocker8/budgetmaster/entities/account/AccountType.java

.../deadlocker8/budgetmaster/entities/category/Category.java

...dlocker8/budgetmaster/entities/category/CategoryType.java

...eadlocker8/budgetmaster/entities/report/ReportColumn.java

...dlocker8/budgetmaster/entities/report/ReportSettings.java

.../java/de/deadlocker8/budgetmaster/reports/ReportItem.java

...dlocker8/budgetmaster/repositories/AccountRepository.java

...locker8/budgetmaster/repositories/CategoryRepository.java