Invoice printables now display totals in bottom
Invoice now has utility function that returns all articles grouped per taxes
Articles can now be removed from the table in the add invoice dialog
Articles can now be removed from the table in the add invoice dialog
Fixed layout in invoice print
Fixed layout in invoice print
Fixed layout in invoice print
Merge branch 'newdb' of https://github.com/Warkst/PastaHouse.git into newdb