port cf4838aecd6cd3f389fdc7eff0496947e50311e4 from Pd-l2ork: hopefully improved building of flext library on older Ubuntu systems (e.g. 12.04 32-bit)

port 07081a7590bc80a65d0a3f9a6fd6fa3f3b16e777 from Pd-l2ork: introduced potential fix for spi issues on RPi3

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 a196a31c4435c865580c28ba87a1c309fd52fe8a from Pd-l2ork: updated closebang and initbang help files

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 0120b99c59c8d79e28e2a54c4b081fac2ee93959 from Pd-l2ork: removed debugging info from the autotune external

port da84fdffad59af44d4020fbe76275bf015231a56 from Pd-l2ork: fixed fluid~ in a better way that hopefully alleviates any
 potential memory leaks.

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

port 143e9e88070962d7c08bece3705eff2bd844745b from Pd-l2ork: potentially fixed fluid~ segfault when turning on DAC

port bccbccc9bb53cdc7f2e5238345f69fd754507595 from Pd-l2ork: finally fixed control file for both pre and post 15.10 Ubuntu due to libgsl