* python/dbus.py:
Add ObjectTree class which allows implementation
of trees of "virtual" objects. Basically the python
wrapper for "register_fallback".
* python/examples/Makefile.am
* python/examples/gconf-proxy-client.py:
* python/examples/gconf-proxy-service.py:
Implement a simple GConf proxy service that supports
get/set on string and int GConf keys using the ObjectTree.
