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
/*******************************************************************************
 * Copyright (c) 2004 Actuate Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http:www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *  Actuate Corporation  - initial API and implementation
 *******************************************************************************/
package org.eclipse.birt.report.designer.ui.dialogs;
import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import org.eclipse.birt.report.designer.core.CorePlugin;
import org.eclipse.birt.report.designer.core.model.SessionHandleAdapter;
import org.eclipse.birt.report.designer.core.runtime.GUIException;
import org.eclipse.birt.report.designer.internal.ui.dialogs.BaseDialog;
import org.eclipse.birt.report.designer.internal.ui.dialogs.resource.ResourceFileContentProvider;
import org.eclipse.birt.report.designer.internal.ui.dialogs.resource.ResourceFileFolderSelectionDialog;
import org.eclipse.birt.report.designer.internal.ui.dialogs.resource.ResourceFileLabelProvider;
import org.eclipse.birt.report.designer.internal.ui.dialogs.resource.ResourceSelectionValidator;
import org.eclipse.birt.report.designer.internal.ui.util.ExceptionHandler;
import org.eclipse.birt.report.designer.internal.ui.util.IHelpContextIds;
import org.eclipse.birt.report.designer.internal.ui.util.UIUtil;
import org.eclipse.birt.report.designer.internal.ui.util.graphics.BirtImageLoader;
import org.eclipse.birt.report.designer.internal.ui.util.graphics.ImageCanvas;
import org.eclipse.birt.report.designer.nls.Messages;
import org.eclipse.birt.report.designer.ui.ReportPlugin;
import org.eclipse.birt.report.designer.ui.newelement.DesignElementFactory;