* do not close modal if form is dirty
* deprecated TimesheetConfiguration
* inject timezone in form types
* cleanup usage of UserDateTimeFactory
* allow to configure increment steps for minutes
* use 15 minutes step for datetimepicker in project edit form
* use rounding rules for increments in minute select for begin and end
* allow duration in multi user and admin timesheet forms
* make dropdown values configurable
* show all fields in timesheet api docs
* fix action dropdown links #1806
* apply same validation rules for passwords and for api-tokens #1753
* added "duplicate team" action #1136
