adressed CR feedback: use pos instead of full start

Author: vladima

src/services/outliningElementsCollector.ts

@@ -40,7 +40,7 @@ module ts {
                 if (node && startElement && endElement) {
                     var span: OutliningSpan = {
                         textSpan: TypeScript.TextSpan.fromBounds(startElement.pos, endElement.end),
-                        hintSpan: TypeScript.TextSpan.fromBounds(node.getFullStart(), node.end),
+                        hintSpan: TypeScript.TextSpan.fromBounds(node.pos, node.end),
                         bannerText: "...",
                         autoCollapse: false
                     };

src/services/services.ts

@@ -1014,9 +1014,8 @@ module ts {
                 // walk over the nodes and set parent references
                 var parent: Node = sourceFile;
                 function walk(n: Node): void {
-                    if (parent) {
-                        n.parent = parent;
-                    }
+                    n.parent = parent;
+
                     var saveParent = parent;
                     parent = n;
                     forEachChild(n, walk);