Merge pull request #293 in VECTO/vecto-sim from ~EMKRISPMI/vecto-sim:develop to develop

* commit '67a20ae9':
  corrected test case for pto changes
  updated user manual, added checklist for release 3.1.0.662
  removed old file from user manual directory
  removed trace variable in release build
  updated licence header in source files
  bugfix: 1 hz vehicle going backwards
  fix: editing gears in declaration mode
  pto cycle not needed