add vector image to readme

make a vector visualizer

add sides to angle viz node and re order inputs.

add angle visualizer image

make an angle vizualizer node

add blender version

update mirror demo image

add debug viz to FN Mirror node. change name of 'viz' material to 'debug.' give debug material some alpha. FN Mirror node cutting plane now automatically resizes for geometry.

Merge pull request #1 from fletchgraham/add-license-1

Create LICENSE.txt

Create README.md

rename

some imgs

make demos for the other nodes

initial commit