Started Face implementation
Added auto face winding
Fixed warnings
Some renaming
Add Faces by selecting Edges.
Delete Faces. Also added file comments.
Added copyright information
Output copyright notice at program start
Update face when point is moved
Added ex- and import of faces
Contact info
Cleanup
Started to implement depended deletion. Delete point -> delete connected
edges -> delete connected faces.
Co-Deletion of Edges and Faces
Flipping line directions updates faces properly
Only update faces with a changed point
Edge Splitting updates Faces properly
Minor adjustment, new Datafile
Merge branch 'face_support' into merge_face_support

Conflicts:
	.gitignore
	Cursor.pde
	Edge.pde
	Effect.pde
	FormContainer.pde
	GUI.pde
	MapperMK2.pde
	Point.pde
	README.md
	WalkEffect.pde