JSONRetarderInputData: Added check to read retarder only when Not Electric or SerialHybrid (except for E3)

Changed Top VECTO logo with graphical text to simple Main Logo with a label (label intersected with underlying graphical text).

Merge in VECTO/vecto-dev from VECTO/mq_vecto-dev:feature/VECTO-1543-calculation-of-em-overload-buffer-and-continuous-torque to develop

* commit '280cfab8':
  move calculation of overload buffer, continuous torque etc. from EM to data adapter
  use .net framework 4.5 as target for VECTO GUI