Fixed Issue 586: Unit test broken since r1541, made sure other unit tests pass too

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@1785 eee81c28-f429-11dd-99c0-75d572ba1ddd

editor/svgcanvas.js

@@ -8610,6 +8610,8 @@ this.importSvgString = function(xmlString) {
 		// import new svg document into our document
 		var svg = svgdoc.importNode(newDoc.documentElement, true);
 		
+		uniquifyElems(svg);
+		
 		var innerw = convertToNum('width', svg.getAttribute("width")),
 			innerh = convertToNum('height', svg.getAttribute("height")),
 			innervb = svg.getAttribute("viewBox"),