Rename QtMultimediaKit to QtMultimedia.

There are a few legacy bits left in place so it passes CI, and
then qt5.git etc can be updated.

Change-Id: I6b082e50e6958c72fdabc2974992e16d90dafa3a
Reviewed-on: http://codereview.qt-project.org/5368
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>

src/multimedia/qaudionamespace.qdoc

@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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.
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+
+/*!
+    \namespace QAudio
+    \brief The QAudio namespace contains enums used by the audio classes.
+    \inmodule QtMultimedia
+    \ingroup multimedia
+*/
+
+/*
+    \enum QAudio::Error
+
+    Error states
+
+    \value NoError         No errors have occurred
+    \value OpenError       An error opening the audio device
+    \value IOError         An error occurred during read/write of audio device
+    \value UnderrunError   Audio data is not being fed to the audio device at a fast enough rate
+    \value FatalError      A non-recoverable error has occurred, the audio device is not usable at this time.
+*/
+
+/*
+    \enum QAudio::State
+
+    Audio processing states
+
+    \value ActiveState     Audio data is being processed, this state is set after start() is called
+                           and while audio data is available to be processed.
+    \value SuspendedState  The audio device is in a suspended state, this state will only be entered
+                           after suspend() is called.
+    \value StoppedState    The audio device is closed, not processing any audio data
+    \value IdleState       The QIODevice passed in has no data and audio system's buffer is empty, this state
+                           is set after start() is called and while no audio data is available to be processed.
+*/
+
+/*
+    \enum QAudio::Mode
+
+    Audio I/O modes
+
+    \value AudioOutput   audio output device
+    \value AudioInput    audio input device
+*/