Pull request #74: Merge/multistagetool

Merge in VECTO/vecto-dev from VECTO/mq_vecto-dev:merge/multistagetool to develop

* commit '41d1e511': (139 commits)
  update battery state in test powertrain
  fix busaux testcases
  use same version of lib also in gui project (json), update testdata
  testcase for single bus simulation - check passenger count calculation
  fix passenger count in single-bus simulation: standing not considered in Coach cycle
  added testcase for passenger count
  update handling of passenger count - sitting / standing
  fix testdata: passenger count
  fix testdata according to new handling of airdrag modified
  ignore testcase no longer useful
  fixing testcases for completed/single bus
  Allow only CreateVifViewModels with unsaved changes to be selected for simulation
  Added backing storage to CreateVifViewModel
  Added Teardown method to backingstorage tests
  Updated Backing storage and added tests
  Added Backing storage to monitor unsaved changes of viewmodels
  Fixed error in CreateVifViewModel SetinputData
  Allow selection of jobs only if they can be simulated
  Added parameters to ProeprtyNameToLabelTextConverter
  Added missing stages to GUILabels
  ...