started implementation of supercap in data adapter
added supercap testcases
added medium lorry testcases

Update of Usermanual, spellcheck, removal of obsolete or outdated values and text. Addition of some text for consistency between VECTO application and in the document

extending user manual: update on IEPC model, fuel consumption correction for HEV-S, PEV shift lines, serial hybrid strategy, fix incorrect links

adding image showing structure of IEPC in user manual, bugfixes in UI (disable input elements when not needed)