Merge pull request #433 in VECTO/vecto-sim from ~EMQUARIMA/vecto-sim:feature/VECTO-515-cleanup-code-issues to develop

* commit '7b53b060':
  revert changes due to refactoring
  formatting
  restore previous behavior of axlegear losses for acceleration estimation (bug filed)
  revert wrong code-change
  make testcases run after some refactoring
  more cleanup
  code cleanup
  remove dead code
  remove unused parameters
  refactor declarationrundatafactory: simplify nextrun() method
  remove separation of full-load curve into gbx fld and engine full-load curve; only use engine-full-load curve (refactor reader)
  adding license header to source files
  removing license