Added apppender for vertex set with tolerance.
BUGFIX: Transform indices from 0-n-1 to 1-n in OBJ files.
Vertex and edge properties for patches implemented.
Removed flap and connection implementation classes.
Use vertex appender in model builder.
Removed author tag.
Moved patch base and patch builder class to own modules.
Created tree to model test.
Implemented model to mesh.
Model to mesh test stub and some resource files added.