Version 0.2alpha (12.04.2010)
- The GUI concept is changed: user logic, data sources, and
  tree-like browsing for goods.
- DBus is for communicating between GUI and Manager subsystems.
- Sample database stores close-to-real data to simulate a company 
  for selling mobile devices (phones).
- Details on a given goods item are available.

Version 0.1alpha (22.03.2010)
- Qt-based GUI.
- Function: Browsing a list of goods from the local database.
- Local database contains goods and their attributes 
  (a sample database is provided).
