* allow to overwrite global spreadsheet styles
* bump version
* fix deprecations in vcard download
* bump composer packages
* added help page for all registered locales
* fix menu id's, cleanup times route, fix configurable homepage redirect
* format duration without leading zero in hours (unify javascript with php behavior)
* fix active records in all screen sizes
* improved responsiveness in XS
* fixed invoice number for customer null fields
* fix javascript respects multiple recent-activity dropdowns
* show recent activities on small screens
* fix user-profile layout column in XS
* fix search is always marked as active
* 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