Merge pull request #334 in VECTO/vecto-sim from ~EMQUARIMA/vecto-sim:develop to develop

* commit '4bbdcb7a':
  adding release report
  update help, release notes
  revert setting vehicle forces to 0 when vehicle is halted; measured speed cycle:threshold for velocity == 0;
  update date and version number in changelog
  gearboxform: disable input fields not necessary for AT
  torque converter: limit input speed to min. of engine rated speed and tc max speed; remove operating point search with engine idle speed
  measured speed: issue brakes when disengaged and overload
  make current time available on databus. AT gearbox: clutch can be disengaged. driverstrategy: consider AT gearboxes; adapt vehicle tests
  vehicle: set traction forces to 0 when the vehicle is halted
  formatting
  cycle gearbox fix: consider shift losses in dry-run!
  cycle gearbox: disable check for min. engine speed
  disable cycle cache in engineering mode
  Torque Converter: when driving off (i.e. vehicle is stopped) search for operating point with engine idle speed (if overloaded)
  corrected typo in json format
  adding license headers where missing
  changelog for version 3.1.1