Mar 13, 2018

- displaying tax on document screens
- validation of business partner contacts and addresses name uniqueness
- option to make incoming payment for supplier or outgoing payment for customer when his balance is negative
- removing activity reminder before adding new one
- sync queue
- fix for document line totals during edit
- calendar integration fixes
- error message when help page cannot be loaded
- support for withholding tax types
- some minor UI improvements