setDefaultLibraryPreference( );
	public void start( BundleContext context ) throws Exception	{		super.start( context );		// set preference default value		getPreferenceStore( ).setDefault( IPreferenceConstants.PALETTE_DOCK_LOCATION,				IPreferenceConstants.DEFAULT_PALETTE_SIZE );		getPreferenceStore( ).setDefault( IPreferenceConstants.PALETTE_STATE,				IPreferenceConstants.DEFAULT_PALETTE_STATE );		initCellCursor( );		// set default Element names		setDefaultElementNamePreference( getPreferenceStore( ) );	}