refactoring

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

...er8/budgetmaster/authentication/PreLoginUrlBlacklist.java

...8/budgetmaster/authentication/UserDetailsServiceImpl.java

...ocker8/budgetmaster/authentication/WebSecurityConfig.java

...e/deadlocker8/budgetmaster/backup/AutoBackupStrategy.java

...adlocker8/budgetmaster/categories/CategoryController.java

.../deadlocker8/budgetmaster/categories/CategoryService.java

...java/de/deadlocker8/budgetmaster/charts/ChartService.java

...ava/de/deadlocker8/budgetmaster/controller/NewsEntry.java

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

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

.../deadlocker8/budgetmaster/database/DatabaseParser_v4.java

.../deadlocker8/budgetmaster/database/DatabaseParser_v5.java

...e/deadlocker8/budgetmaster/images/ImageFileExtension.java

...java/de/deadlocker8/budgetmaster/images/ImageService.java

...a/de/deadlocker8/budgetmaster/images/MediaController.java

...deadlocker8/budgetmaster/reports/ReportConfiguration.java

.../budgetmaster/reports/settings/ReportSettingsService.java

src/main/java/de/deadlocker8/budgetmaster/search/Search.java

...de/deadlocker8/budgetmaster/services/CurrencyService.java