Pull request #217: Feature/VECTO-1590 implement ihpc powertrain architecture

Merge in VECTO/vecto-dev from VECTO/mq_vecto-dev:feature/VECTO-1590-implement-ihpc-powertrain-architecture to develop

* commit '0cdc4228':
  update testdata for ihpc with 6speed transmission
  rename efficiencymaps in em-data, remove gear parameter in full-load curve lookup
  correcting testdata ihpc-6spd
  adding testcase for IHPC with 6speed gearbox
  moving testfiles to subdirectory
  started with IHPC gui
  added json writer for ihpc
  removed full load curve entry from input file
  first implementation if IHPC simulation
  adding testcase and testdata for a simple IHPC vehicle (modified P2 Group 5 Vehicle)