tentatively accept audio file-types

lib/reader.js

@@ -90,9 +90,9 @@ function fetchfrom(reader, seqNo, segment, cb) {
   function onmeta(meta) {
     debug('got segment info', meta);
 
-    if (meta.mime !== 'video/mp2t'/* && 
+    if (meta.mime !== 'video/mp2t' && 
         meta.mime !== 'audio/aac' && meta.mime !== 'audio/x-aac' &&
-        meta.mime !== 'audio/ac3'*/) {
+        meta.mime !== 'audio/ac3') {
       if (stream.abort) stream.abort();
       return stream.emit(new Error('Unsupported segment MIME type: '+meta.mime));
     }