Integrate name change (add /ndn/multicast/ prefix). Additionally updated unit tests to test cases of
many torrent segments and many manifests.

Change-Id: Ieb3b3971fb09e31ddb15d85b5907ee7be41ef1ba
diff --git a/src/torrent-file.cpp b/src/torrent-file.cpp
index 30957bf..e5ef53e 100644
--- a/src/torrent-file.cpp
+++ b/src/torrent-file.cpp
@@ -252,7 +252,7 @@
   Name directoryPathName(directoryPath);
   fs::recursive_directory_iterator directoryPtr(fs::system_complete(directoryPath).string());
 
-  Name commonPrefix("/NTORRENT" +
+  Name commonPrefix("/ndn/multicast/NTORRENT" +
                     directoryPathName.getSubName(directoryPathName.size() - 1).toUri());
 
   Name torrentName(commonPrefix.toUri() + "/torrent-file");
@@ -265,7 +265,7 @@
   }
   size_t manifestFileCounter = 0u;
   for (const auto& fileName : fileNames) {
-    Name manifestPrefix("/NTORRENT" +
+    Name manifestPrefix("/ndn/multicast/NTORRENT" +
                         directoryPathName.getSubName(directoryPathName.size() - 1).toUri());
     std::pair<std::vector<FileManifest>, std::vector<Data>> currentManifestPair =
                                                     FileManifest::generate(fileName,