Updated a lot of minor fixes to the docs and removed warnings from qdoc

Change-Id: Ib7fd75fb93c038f9e8fa9d71b6ad01fb27b97622
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>

src/multimediawidgets/qgraphicsvideoitem_maemo6.cpp

@@ -200,6 +200,7 @@ void QGraphicsVideoItemPrivate::_q_serviceDestroyed()
 /*
     \class QGraphicsVideoItem
 
+
     \brief The QGraphicsVideoItem class provides a graphics item which display video produced by a QMediaObject.
 
     \inmodule QtMultimedia
@@ -247,7 +248,7 @@ QGraphicsVideoItem::QGraphicsVideoItem(QGraphicsItem *parent)
             this, SLOT(_q_updateNativeSize()), Qt::QueuedConnection);
 }
 
-/*!
+/*
     Destroys a video graphics item.
 */
 QGraphicsVideoItem::~QGraphicsVideoItem()