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
{
				previewCanvas.loadImage( image );
				return;
			}
			catch ( Exception e )
			{
				ExceptionHandler.handle( e,
						DLG_TITLE_LOADING_FAIL,
						DLG_ERROR_MSG_LOADING_FAIL );
			}
		}
		clearPreview( );
	}
	private void clearPreview( )
	{
		previewCanvas.clear( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.dialogs.Dialog#okPressed()
	 */
	protected void okPressed( )
	{
		try
		{
			switch ( selectedType )
			{
				case FILE_TYPE :
					inputImage.setFile( uriEditor.getText( ).trim( ) );