file metadata class added

src/python/dm/common/objects/fileMetadata.py

+#!/usr/bin/env python
+
+from dmObject import DmObject
+
+class FileMetadata(DmObject):
+
+    DEFAULT_KEY_LIST = [ 'id', 'name', 'locationList' ]
+
+    def __init__(self, dict):
+        DmObject.__init__(self, dict)
+