* 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
* merge master - allow to upload twig invoice templates via UI
* support adding existing teams with same name
* permissions cannot be set right after role was created - fixes#3777
* allow to deactivate unique customer number validation - fixes#3762
* invalid message when trying to edit locked or exported timesheets in calendar - fixes#3766
* updated icons and manifest - fixes#3761