Update to version 5.0.9

• wish : #1507253 template at top into txn dialog
• wish : #1429411 reconcile etc. could be a linked set of toggle buttons
• wish : #532564 clean feature to delete unused payees/categories
• bugfix: #1602835 filter by status in the ledger
• bugfix: #1594152 zillion questions importing from QIF file
• bugfix: #1583406 changes in settings -> format-> numbers options is never saved
• bugfix: #1562372 statistics filtered on category with split display wrong results
• bugfix: #1535483 importing cvs file silently skips a line!