Use new audio files and add some new languages.

Audio/pl_PL.indx

@@ -0,0 +1,44 @@
+0	99	36
+1	163	38
+2	229	29
+3	290	31
+4	351	37
+5	420	42
+6	490	41
+7	559	43
+8	630	34
+9	692	50
+alpha	771	30
+bravo	820	32
+charlie	873	35
+delta	931	34
+A	987	17
+B	1012	30
+C	1070	25
+D	1118	27
+E	1169	29
+F	1221	36
+G	1281	30
+H	1333	26
+I	1383	18
+J	1425	32
+K	1485	23
+L	1532	26
+M	1581	26
+N	1629	24
+O	1676	18
+P	1724	23
+Q	1773	20
+R	1817	23
+S	1863	35
+T	1926	25
+U	1975	22
+V	2021	28
+W	2070	15
+X	2107	31
+Y	2161	39
+Z	2226	12
+linkedto	2263	45
+notlinked	2360	51
+linkingto	2433	45
+isbusy	2559	59