Changed: built-in cartridge data

Set curvature radii for slices between necks and shoulders, and also between shoulders and bodies, for some bottle-necked cartridges. Values are not accurate and not based on any resources.
added: a few more calibers
changed: CartridgeMaker

Changed the layout of the vertices for top/bottom polygons to a more consistent one.
updated: CartridgeMaker
changed: CartridgeMaker

- added: CalculateNormal()
- Uses CalculateNormal() instead of CalculateNormalAngle() from now on.
updated: built-in cartridge data
updated: VC++ project files

Deleted a non-existent header.