Docs: fix qml links and standalone build for Multimedia

Change-Id: Ia3f1e49aef203911bb5cf1ee062c9100be213b38
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>

doc/src/qtmultimedia5.qdoc

@@ -0,0 +1,42 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:FDL$
+** GNU Free Documentation License
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of
+** this file.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms
+** and conditions contained in a signed written agreement between you
+** and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+\qmlmodule QtMultimedia 5
+\title QtMultimedia 5.0
+\brief The QML import for QtMultimedia
+
+\section1 Overview
+
+The identifying string for this component is \e QtMultimedia. Use this in the QML \e import statement.
+
+\section1 QML Elements
+
+\annotatedlist multimedia_qml
+
+*/
+