fix: ts downloads should use a ts extension not a mpg exteion

this was not a issue if you use tivolibre but it was with tivodecode.  It might also be a issue with directshow dump.

fix #18

src/com/tivo/kmttg/main/jobMonitor.java

@@ -887,7 +887,7 @@ public static void LaunchJobs(Hashtable<String,Object> specs) {
          // Download mode
          // NOTE: Be careful using basename function here - need to honor file naming with folders
          tivoFile = outputDir + s + startFile;
-         mpegFile = string.replaceSuffix(startFile, ".mpg");
+         mpegFile = string.replaceSuffix(startFile, TSDownload == 1 ? ".ts" : ".mpg");
          mpegFile = mpegDir + s + mpegFile;
          metaFile = mpegFile + ".txt";