Bug 167395 Current version BIRT can't support SVG well.
step: 1.Creat a new report with a chart in svg form. 2.preview the report and save the svg image to a file "test.svg". 3.Creat another new report. Add an image to the report. The dialog "Edit Image Item" will diaplay. 4.In the dialog "Edit Image Item",choose "Embedded image". Press the button "Add Image" to add the "test.svg". choose the "test.svg" and press the button "Insert", exception happens. BIRT code version: 2006.12.11 afternoon.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/ImageManager.java
{
		getImageRegistry( ).remove( key );
		if ( DesignerConstants.TRACING_IMAGE_MANAGER_IMAGE_REMOVE )
		{
			System.out.println( "Image Manager >> " + key + " removed" ); 
		}
	}
	/**
	 * Loads the image into the image registry by the given URI
	 * 
	 * @param uri
	 *            the URI of the image to load
	 * @return Returns the image if it loaded correctly
	 * @throws IOException
	 */
	public Image loadImage( String uri ) throws IOException
	{
		URL url = generateURL( uri );
		if ( url == null )
		{
			throw new FileNotFoundException( uri );
		}
		return loadImage( url );
	}
	public Image loadImage( URL url ) throws IOException
	{
		String key = url.toString( );
		Image image = getImageRegistry( ).get( key );
		if ( image != null )
		{