Bug 148588 Image Builder enhancement
1.Image selector should not filter *.svg 2.Support svg image type in embedded image.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ImageBuilder.java
import org.eclipse.ui.PlatformUI;
/**
 * Dialog to build the image element.
 */
public class ImageBuilder extends BaseDialog
{
	private static final String[] IMAGE_TYPES = new String[]{
			".bmp",
			".jpg",
			".jpeg",
			".jpe",
			".jfif",
			".gif",
			".png",
			".tif",
			".tiff",
			".ico"
	};
	private static final String[] IMAGE_FILEFILTERS = new String[]{
		"*.bmp;*.jpg;*.jpeg;*.jpe;*.jfif;*.gif;*.png;*.tif;*.tiff;*.ico"
	};
	
	
	private static final String DLG_IMPORT_BUTTON = Messages.getString( "ImageBuilder.Button.Import" ); 
	private static final String DLG_PREVIEW_LABEL = Messages.getString( "ImageBuilder.Button.Preview" ); 
	private static final String DLG_ENTER_URI_LABEL = Messages.getString( "ImageBuilder.Label.EnterUri" ); 
	
	private static final String DLG_ENTER_RESOURCE_FILE_LABEL = Messages.getString( "ImageBuilder.Label.EnterResourceFile" ); 
	private static final String DLG_EMBEDDED_IMAGE_LABEL = Messages.getString( "ImageBuilder.Label.EmbededImage" ); 
	private static final String DLG_URI_LABEL = Messages.getString( "ImageBuilder.Label.URI" );