#161 - save report column order and selection

...de/deadlocker8/budgetmaster/logic/report/ColumnOrder.java

...eadlocker8/budgetmaster/logic/report/ReportGenerator.java

...dlocker8/budgetmaster/logic/report/ReportPreferences.java

.../deadlocker8/budgetmaster/logic/report/ReportSorting.java

src/de/deadlocker8/budgetmaster/logic/utils/FileHelper.java

...dlocker8/budgetmaster/ui/controller/ReportController.java