port f92dc617867c18216bf4a0e32ece6122b70abc5b from Pd-l2ork: updated bonk~, added bob~, updated makefile to properly build bob~

port c87e5b00229eb17bac8dc3047cd9d5f4a42c6711 from Pd-l2ork: hopefully made build process require autoconf 2.5 or newer

when selecting/deselecting individual objects on the canvas (e.g two objects where one cover the other, typically the one below would be selected/deselected first instead of the top one)

That whole function is a nasty mess that needs to be refactored

The fact that nwjs menubar shortcuts don't propagate to the DOM makes this tricky
The fact that OSX has its own OSX-app menu bar thingy makes it even trickier

normalize Windows path before sending it to Pd

bind/unbind scalar symbol in scalar_vis instead of scalar_new
This way scalar events continue to work if the user happens to
change the [struct] arguments on us.

make [draw] arguments more closely follow the svg spec
* [draw circle 20 1 2]: radius=20, xcenter=1, ycenter=2
* [draw rect 5 10 20 40]: width=5, height=10, xoffset=20, yoffset=40
* [draw ellipse 5 10 20 40]: xradius=5, yradius=10, xcenter=20, ycenter=40