Updated to version 0.3.

Done - 0.3-F1: Upgrade images storing format, for easier manual reading
and writing.
Done - 0.3-F2: Add double click processing in applications manager.
Done - 0.3-F3: Add horizontal scroll bar component.
Done - 0.3-F4: Add progress bar component.
Done - 0.3-F5: Add text box component.