add quadratic and bezier curves
make wires thicker
delete temp dom fragment
add triangle node
add overlay canvas with helper guides for shapes
add param saving/restoring for base node
add new port controls with values
update default test sketch
major cleanup of BasNode and inlet initialization

works for Rect node only
can adjust values form port controls + more BaseNode cleanup
draw correct guides when manipulating port value
fix Rect drawing, when height is specified
update Ellipse node to work with latest system
move pickeList to separate file
improve guide drawing
remove calls to super
update HSlider
update Outlet to work with latest BaseNode
allow overlay to add multiple callbacks to draw loop
new protocol of value change and transmission start/end between nodes