Implement UObject property read/write by calling {get,set}Property.
Implement UObject property read/write by calling {get,set}Property.

	* src/uobject.cc (setProp, getProp): implement.

Signed-off-by: Matthieu Nottale <73d816bf5a7c98ca49eb19b3fa4036e0ae653e5f@gostai.com>

urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi