o Bug fix in FileManifest::wireDecode
o Add I/O test for FileManifest

Change-Id: I7307605a71cc0cdc76585421f73346dccbca6a6a
diff --git a/src/file-manifest.hpp b/src/file-manifest.hpp
index b3cf3ff..8c4680a 100644
--- a/src/file-manifest.hpp
+++ b/src/file-manifest.hpp
@@ -87,7 +87,7 @@
    */
 
   // CREATORS
-  FileManifest() = delete;
+  FileManifest() = default;
 
   ~FileManifest() = default;
   /// Destroy this object