Bug 187213 Provid a writer to serialize design in document without any white space.
Add a new writer for serialize design in document without any withe space.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/XMLWriter.java
*            Boolean value
	 */
	public void attribute( String attrName, boolean value )
	{
		assert elementActive;
		checkAttribute( );
		out.print( " " );  
		out.print( attrName );
		out.print( "=\"" );  
		out.print( value ? "true"  
				: "false" );  
		out.print( "\"" );  
	}
	/**
	 * Indicates the end of the current element. Writes the appropriate end tag.
	 */
	public void endElement( )
	{
		
		
		if ( !pendingElementStack.isEmpty( ) )
		{
			pendingElementStack.pop( );
			return;
		}
		
		assert elementStack.size( ) > 0;
		String tagName = (String) elementStack.pop( );
		if ( elementActive )
		{