add air density to vehicle data, use air density from model data for air drag computation
declaration data adapter: use declaration data; engineering data adapter: use physics constant to fill model data
GUI: set air density (physical constant) in declaration mode

adapting vecto gui to get rid of 'Declaration' Folder and use declaration data from vecto core; refactoring, removing no longer required files / classes

- Bugfix: Format error in .vmod header
- Update in Pwheel-Input

git-tfs-id: [http://tfs00.element.root.com:8080/tfs/TFSCollection]$/VECTO;C1621

* Updated CSV file format. Now only one header with units included.
* Changed input file comment symbol form "c" to "#".
* Replaced old Demo/Default Data with "Demo Vehicles"
* Updated User Manual

* Added pdf report output
* Added charts in files editors
* Added declaration mode features
* Removed GRAPHi calls
* Added visualizer for modal results (replaces GRAPHi)(open)
* Changes cConfig format to JSON
* Cleaned up code

* Removed rated power (not used anymore)
* Removed rated engine speed form engine file. Now calculated form vfld file.

* Add LICENSE.txt file.
* Add lic-header in all .vb files.
* Add python script for adding lic-headers.
* Add lic-header also in a powershell-script.

- Files can be converted in JSON format. Backup will be created.
- Option in Settings whether to use JSON format or not
- Finished load-dependent RRC

- Added PicCoordLogger.exe (for User Manual development)
- Updated Tabindices for F_GEN controls
- Disabled distance correction for coasting to avoid engine leaving coasting operation

- Disabled Transient Correction (PHEM)
- FirstRun-Flag in Config file to check if first run with valid license (Quick Start Guide prompt)
- AT/TC still in development. Main input parameters in Gearbox file.

* Include all except object-files.