Pd Vanilla commit 98b4959f03f0fd9acfd7c117d8061589504c89e6

This reverts commit 16973649, reversing
changes made to 15094e4c.

Pd Vanilla commit 98b4959f03f0fd9acfd7c117d8061589504c89e6

Port pd-l2ork upstream commits from Dec 7, 2015 improving the handling of $ substitutions in GUI elements. Also fixes #195.

Get rid of some really annoying legacy Tcl commands in the core. As long as we don't have any LED indicators in the console window, show an error for audio dropouts instead. Also get rid of some debugging messages in the pddp.

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

(selective port-- didn't include the logic related to the x_selected member
*fixed bug reported by Gilberto in http://disis.music.vt.edu/pipermail/l2ork-dev/2015-January/000676.html

"Quick-n-dirty" means the "//" comment itself isn't indented.

removed the array listview code from g_array.c.  Seemed pretty straightforward to prune, but should probably test to make sure there aren't any obscure regressions

Fix nasty bug with array name not updating properly on its graph, plus a more trivial bug with the canvas properties not getting updated properly

fix feature for putting array in existing graph
add a delete checkbox for graphs with multiple arrays

*fixed inconsistent display of array styles between pd-l2ork and vanilla. LATER consider cleaning this up by adjusting g_canvas.h instead of all these workarounds.

fixed bug with 8x8 click "hotspot" not working correctly on x-axis of garrays

*fixed proper opening of paths with spaces ia unique check

*fixed remaining problems (hopefully) with 2 arrays drawn in the same gop (need to test with more than 2 arrays?)
*bug for Jonathan--bar graph draws from top down, as opposed from bottom up when opening array gop

*improved fittograph for multiple arrays (still needs some work)

*further improvements on the garray selection and redraw--fixed garray contents not remaining selected after dialog properties have been applied
*still need to explore problems with multiple arrays in a single GOP

*fixed segfault when resizing array via dialog (regression from May commit). Still need to work on fittograph logic for situations where there are multiple arrays in the same GOP