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/document-save-large.xpm

@@ -0,0 +1,122 @@
+/* XPM */
+static const char *document_save_large[] = {
+/* columns rows colors chars-per-pixel */
+"32 32 84 1",
+"  c #535353",
+". c #5B5B5B",
+"X c #4D5766",
+"o c #656565",
+"O c DimGray",
+"+ c #7F7F7F",
+"@ c #1F4A87",
+"# c #1F4C8A",
+"$ c #284E83",
+"% c #214C89",
+"& c #2C558E",
+"* c #325A92",
+"= c #395E94",
+"- c #3C6093",
+"; c #3B6298",
+": c #3364A4",
+"> c #3969A7",
+", c #3D6CA9",
+"< c #42679A",
+"1 c #426A9E",
+"2 c #486A9B",
+"3 c #58769F",
+"4 c #466DA1",
+"5 c #416FAA",
+"6 c #4C71A4",
+"7 c #4370AB",
+"8 c #4A76AE",
+"9 c #5377A7",
+"0 c #5A78A3",
+"q c #557AAC",
+"w c #5A7CAB",
+"e c #4E79B0",
+"r c #5B80AF",
+"t c #5B82B5",
+"y c #5F85B8",
+"u c #6C87AC",
+"i c #6F89AD",
+"p c #6284B2",
+"a c #6A8BB6",
+"s c #6187B8",
+"d c #6489BA",
+"f c #6A8EBD",
+"g c #6E91BF",
+"h c #7E93B1",
+"j c #7293BF",
+"k c #7596C2",
+"l c #7C9BC3",
+"z c #868686",
+"x c #8D8D8D",
+"c c #939393",
+"v c #9C9C9C",
+"b c #869BB9",
+"n c #A4A4A4",
+"m c #ACACAC",
+"M c #A2ABB8",
+"N c #AEB4BD",
+"B c #B4B4B4",
+"V c #B0B5BB",
+"C c #BBBBBB",
+"Z c #809FC6",
+"A c #84A1C7",
+"S c #84A2C8",
+"D c #8AA6CB",
+"F c #8DA9CC",
+"G c #9CADC3",
+"H c #92ACCE",
+"J c #96AFD0",
+"K c #97B0D0",
+"L c #99B2D1",
+"P c #A2B0C2",
+"I c #AFBCCE",
+"U c #BABFC6",
+"Y c #BBC3CE",
+"T c #C3C3C3",
+"R c #CCCCCC",
+"E c #CBCED2",
+"W c #CDD0D5",
+"Q c #D4D4D4",
+"! c #DBDBDB",
+"~ c #E3E3E3",
+"^ c #EAEAEA",
+"/ c #F4F4F4",
+"( c #FCFCFC",
+") c None",
+/* pixels */
+"))))))))))))))))))))))))))))))))",
+")))))))))@%%%%))))))))))))))))))",
+")))))))%&rkDSa=#))))))))))))))))",
+"))))))@9DDHJJLKa%)))))))))))))))",
+")))))@ww<4pFJFFKl%))))))))))))))",
+")))))*&%))@*SFSlFa%)))))))))))))",
+"))))%%))))))*FlllH*)))))))))))))",
+"))))@)))))))@fSkkSr@))))))))))))",
+"))))))  ...oX<Djfkl$..... ))))))",
+"))))) B(((((/*DffaH&/////c))))))",
+"))))) /I@@@@@%FddsJ%%%%@u! )))))",
+")))))v(~G=lSSDFyytHJLJp2!^z)))))",
+")))) ~^~~b;ldtttwe7>fa*EQ~T ))))",
+"))))O(~~^~u;lt85:::yj&Y!Q!^.))))",
+"))) C^~~~~~04f>:::el*P!!!!~n))))",
+"))) /~~~~~!!14g>:,S;h!Q!!!!! )))",
+")))c/!^~!!QQE=qj,l60RQRQQ!Q~+)))",
+")) Q^!~!QQQQQU&rDq-TRRRQ!!Q!C ))",
+"))O/!QQ~~QQQRTN&6&NTTRRQ!RQQ~o))",
+"))C^!!!Q!~!QQRRM#MTRQQ!QRRQQ!v))",
+") ^~(^Q!QQQ!!!!!W!!!QQRQQQ~/!Q )",
+") /!!Q!!!!!!!!QQQQQQQQ!QQQ!QQ^ )",
+") /!~~~!~!~!!!!!!!!!!!Q!QQQQQQ )",
+") ^CCBCCBBBBmBBmmmmnmnnnnnnvvC )",
+") ^CCzxxvvnnmmmmmmvTcTcTcTcCnC )",
+") ^CBzxcvvnnmmmmmmcTcTcTcCxCvB )",
+") ^CCxxxvvnnmmmmmnvTcTcTcTxTvB )",
+") ~CBCBCBmBmmmmmmmvTcTcTxCcCnm )",
+") T~~!!!!QQQQRRRTRTTCCCCBBBBmc )",
+"))                            ))",
+"))))))))))))))))))))))))))))))))",
+"))))))))))))))))))))))))))))))))"
+};