#360 - Update to Spring boot 2.0.9

pom.xml

src/main/java/de/deadlocker8/budgetmaster/Main.java

.../deadlocker8/budgetmaster/accounts/AccountController.java

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

...a/de/deadlocker8/budgetmaster/advices/SettingsAdvice.java

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

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

...a/de/deadlocker8/budgetmaster/charts/ChartController.java

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

...locker8/budgetmaster/controller/DatePickerController.java

...er8/budgetmaster/repeating/RepeatingOptionRepository.java

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

...deadlocker8/budgetmaster/settings/SettingsController.java

...de/deadlocker8/budgetmaster/settings/SettingsService.java

...ker8/budgetmaster/transactions/TransactionController.java

...locker8/budgetmaster/transactions/TransactionService.java

...ocker8/budgetmaster/update/BudgetMasterUpdateService.java

...ava/de/deadlocker8/budgetmaster/update/IsExeFileHook.java

...ava/de/deadlocker8/budgetmaster/update/IsJarFileHook.java

...deadlocker8/budgetmaster/utils/DatabaseConfiguration.java