* prevent that items will be marked as exported if invoice can not be generated
* check for existing invoice number to prevent that invalid invoices will be generated
* allow to add a unique id to invoice preview files on batch export
* hide delete invoice action with deactivated permission
* try to automatically fix duplicate invoice id
* calc once, then re-use
* prevent invalid theme switch
* allow to turn off weekly-quick-entries by permissions
* remove 00:00 from date-times that likely do not need a time
* fix datepicker out of window
* make voters a final class
* upgrade dependencies
* sort project alphabetically in dashboard widget
* open detail page on row click
* do not break on null tag name
* added max height to scrollable widgets on dashboard
* added timesheet duplicate event
* allow to deactivate browser title update
* improve comment box
* moved role permissions to own menu
* removed tabs in user screen
* fix user can remove super-admin from own account
