port a031e3b64f725c8cb3274b5ef3ff0e27a36222f5 from Pd-l2ork: fixed parsing of @pd_extra and @pd_help names in filenames

port 9ab1b10476bca7e3998d5bf907296979dfc6e558 from Pd-l2ork: fixed regression where canvaslist was not properly stored

port d1e4c344d9a1022b1e960ca0a39c0232d68aad1d from Pd-l2ork: made initbang and closebang disabled if -noloadbang flag is used

port e814c4d586c52fe9a6a39a58947df1870e04e986 from Pd-l2ork: updated load/init/closebang to match the new spec

port 39a6b607659ebb5cafb0645d1c9046a07ac2922c from Pd-l2ork: added iemguts/ prefix to internal initbang and closebang to maintain compatibility with vanilla patches

port c6771297b6f03887034c5f121d3dbf701623ab87 from Pd-l2ork: the big Vanilla forward port won't compile without this commit

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