Implements the rotation of the differents GraphicalElement by using BufferedImage,
The validation of a GraphicalElement erase the previous display and redraw the new one.
Corrects the Configuration shutter :
adds the scrollBars (thanks to a JScrollPane),
refreshes the CA display by removing previous and displaying the other.
Aligns to the left the JPanel of the ConfigurationShutter.
Corrects a bug on configuration by doing the validation of the Font ConfigurationAttribute validation by selecting the choice,
Adds to the font ConfigurationAttribute all the font getted from the system.
Implements the text style (plain, bold, italic).