store Directory Reference

Directories
directory	xml
Files
file	Backend.cc [code]
file	Backend.h [code]
file	parser_utils.hpp [code]
file	PersistentStorage.cc [code]
file	PersistentStorage.h [code]
file	serialize.cc [code]
file	serialize.h [code]
file	xml_escape_parser.cpp [code]
file	xml_escape_parser.hpp [code]
file	XMLFilesBackend.cc [code]
file	XMLFilesBackend.h [code]

---