QmlJS: Dump builtins per Qt version.

Change-Id: I7b5179c4b33c24e83baf0536d158dd48d277637f
Reviewed-on: http://codereview.qt.nokia.com/1305
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@nokia.com>

src/plugins/qmljstools/qmljsmodelmanager.h

@@ -86,7 +86,8 @@ public:
                                  const QString &importUri, const QString &importVersion);
 
     virtual CppQmlTypeHash cppQmlTypes() const;
-    virtual BuiltinPackagesHash builtinPackages() const;
+
+    virtual QmlJS::LibraryInfo builtins(const QmlJS::Document::Ptr &doc) const;
 
 public slots:
     virtual void resetCodeModel();