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
{
			if ( inputImage.getURI( ) != null && selectedType == URI_TYPE )
			{
				uri = inputImage.getURI( );
			}
		}
		else if ( DesignChoiceConstants.IMAGE_REF_TYPE_FILE.equals( inputImage.getSource( ) ) )
		{
			if ( inputImage.getURI( ) != null && selectedType == FILE_TYPE )
			{
				uri = inputImage.getURI( );
			}
		}
		if ( DesignChoiceConstants.IMAGE_REF_TYPE_EXPR.equals( inputImage.getSource( ) )
				&& selectedType == BLOB_TYPE )
		{
			if ( inputImage.getValueExpression( ) != null )
			{
				uri = inputImage.getValueExpression( );
			}
		}
		uriEditor.setText( uri );
		uriEditor.setFocus( );
		
		clearPreview( );
	}
	private void initList( )
	{
		for ( Iterator itor = getModuleHandle( ).imagesIterator( ); itor.hasNext( ); )
		{