Role Change

fixes bug not able to change roles, parameter is permitted now
Create Dependencies

Checks for other items that need to be created, before creating the
model itself. Redirects to the new page if dependency is missing.
Merge branch 'report_dependencies' into staging
Time-Evaluator Help

Extended info for time-evaluators
Timetracker Menu

If timetracker had no customers there wouldn’t be the time entry item.
Registration Link

Added Link to start page.
Merge branch 'init_help_site' into staging
Merge branch 'staging'