MATLAB line-drawing-to-svg first release

Code is stable and running well!

Runtime was cut down significantly so that with a typical size photo the functions will run instantly. Both the dense and smart functions have been optimized.

The example folder and files has been filled out so that a new user can see some of the functionality right away.

ReduceSVG isn't useful for anything at the moment but might be optimized in the future to convert from a dense svg to a smart svg.