Cleaning up lib-src

FileDialog goes into audacity/src/widgets and the mod-* directories go into
audacity/modules.

This leaves nothing in lib-src that isn't a 3rd-party libs or supporting
files.

modules/mod-nyq-bench/images/edit-paste-small.xpm

@@ -0,0 +1,99 @@
+/* XPM */
+static const char *edit_paste_small[] = {
+/* columns rows colors chars-per-pixel */
+"16 16 77 1",
+"  c #6A4200",
+". c #6B4301",
+"X c #6C4301",
+"o c #6B4403",
+"O c #6C4401",
+"+ c #6D4401",
+"@ c #6E4502",
+"# c #6E4602",
+"$ c #6F4602",
+"% c #5C5C5B",
+"& c gray36",
+"* c gray37",
+"= c #5F5F5E",
+"- c #666864",
+"; c #676964",
+": c #6E6C64",
+"> c #6E6D64",
+", c #6A6C68",
+"< c #706D63",
+"1 c #706D64",
+"2 c #716F64",
+"3 c #736F64",
+"4 c #7E7E7B",
+"5 c #7F7F7C",
+"6 c #B37B22",
+"7 c #B97F23",
+"8 c #BA7F23",
+"9 c #A77D3B",
+"0 c #A37C3D",
+"q c #A47E3E",
+"w c #A17C40",
+"e c #C08424",
+"r c #C58726",
+"t c #C58727",
+"y c #C68827",
+"u c #C28628",
+"i c #80807D",
+"p c #959589",
+"a c #97978A",
+"s c #B1B2B2",
+"d c #B2B4B4",
+"f c #B3B5B5",
+"g c #B7B7B4",
+"h c #B8B9B5",
+"j c #B9B9B6",
+"k c #B9BAB6",
+"l c #BBBBBB",
+"z c #C1C2BE",
+"x c #CCCDCA",
+"c c #CDCECB",
+"v c #D8D8D5",
+"b c #D9D9D6",
+"n c #DADAD8",
+"m c #DBDBD9",
+"M c gray88",
+"N c #E7E7E4",
+"B c #E7E7E5",
+"V c #E8E8E6",
+"C c #E9E9E7",
+"Z c #EAEAE8",
+"A c #EBEBE9",
+"S c #EBEBEA",
+"D c #ECECEA",
+"F c #ECECEB",
+"G c #EDEDEB",
+"H c #EDEDEC",
+"J c #EDEEED",
+"K c #EEEEED",
+"L c #EFEFED",
+"P c #EFEFEE",
+"I c #F0F0EF",
+"U c #F1F1F1",
+"Y c gray95",
+"T c #FEFEFD",
+"R c #FEFEFE",
+"E c gray100",
+"W c None",
+/* pixels */
+"WWWWW******WWWWW",
+"WWOOo*pppp&oooWW",
+"WOeq,*iwii*,w8oW",
+"W$y2UMllllMY,uoW",
+"W$r;EIIIIUIE,uXW",
+"W$r-EIffffHE;u W",
+"W$y-EIIIIIHE;u W",
+"WOy;EIffdsZE;u W",
+"WOr-EUHHZZnE;u W",
+"WOr-EHHZCncE;e W",
+"W$r-EDZCcjjE;u W",
+"WOr;ECNvjEEE;u W",
+"W$y;ENvzgEE;yu W",
+"W$r2HEEEHE;uyu W",
+"WX7q3,,,,,0006OW",
+"WWXXOOOOOOOOOXWW"
+};