hJOP Driver

Apr 9, 2021

New functions:
- Move list of engines to hamburger.
- Show engine state in list.
- Several enhancements in multitraction (see czech description for details).
- Add info about server & user to hamburger.
- Several minor enhancements (see czech description for details).

Bugfixes:
- Show proper functions when returning to app.
- Empty HV description -> do not show parentheses.
- Multitraction could be used with multiple engines only.
- Another minor bugfixes (see czech description for details).