Prototype 2 / Backups

Working copy now holds Prototype 2

Changes:
*Toolbar:
- All Checkboxes (Animation, Old Sytel, Overwie) gone
- Buttons for organic layouter gone

*Features:
- Switching to original View gone
- Nodegrouping / -folding gone
- Organic Layout gone
- Overviewmap now permanent
- Marking Neighbors of selected Nodes added (Accessible via Popupmenu
and Hotkey h)

*Popupmenu
- Gouping Options gone
- Featurecontroll for neighborhighlighting added

*Design:
- No Changes to last working copy of P1

*Refactored Components:
- Export 1/3 done. Exporting of SVG-Images now working without the
previous implementation.
- Y-Files Extensions included.

*General:
- Code cleanup first pass done.

______________________________________________

Previous implementation backed up as Prototype 1 with every features
presented to the client.
Presentation Videos backed up.