Add changes-5.2.0 file.

Change-Id: Ieec89755a30996a5b0ed37ecaa6ee957344f8594
Reviewed-by: Sergio Ahumada <sahumada@gmail.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

dist/changes-5.2.0

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+Qt 5.2 introduces many new features and improvements as well as bugfixes
+over the 5.1.x series. For more details, refer to the online documentation
+included in this distribution. The documentation is also available online:
+
+  http://qt-project.org/doc/qt-5.2
+
+The Qt version 5.2 series is binary compatible with the 5.1.x series.
+Applications compiled for 5.1 will continue to run with 5.2.
+
+Some of the changes listed in this file include issue tracking numbers
+corresponding to tasks in the Qt Bug Tracker:
+
+  http://bugreports.qt-project.org/
+
+Each of these identifiers can be entered in the bug tracker to obtain more
+information about a particular change.
+
+****************************************************************************
+*                           General                                        *
+****************************************************************************
+
+ - Improved ALSA implementation of the audio APIs.
+ - Improved WAV support in QSoundEffect.
+ - New resource policy plugin based on libresourceqt.
+ - Fix QVideoSurfaceArbFpPainter mistakenly failing to start in some cases.
+ - Improved QAudioRecorder implementation on Windows and Mac OS.
+ - Various documentation fixes.
+ - Improved audiorecorder example.
+ - [QTBUG-32487] Make PulseAudio implementation of QSoundEffect more robust.
+ - [QTBUG-32882] Enable QSoundEffect with loopCount of Infinite to play.
+ - [QTBUG-31731] WMF and GStreamer: fixed incorrect frame startTime and endTime.
+ - [QTBUG-30442] VideoOutput: take the video format's scanLineDirection into account.
+ - [QTBUG-34125] Correctly clear the current media in Audio and MediaPlayer qml elements.
+
+Qt for Android
+--------------
+
+ - New OpenSL ES plugin for low-latency audio support on Android.
+ - New camera support on Android.
+ - Improved video renderering with Qt Quick.
+ - Camera and recording permissions are now automatically added when using QtMultimedia on Android.
+ - [QTBUG-32635] Fixed media player buffering logic.
+ - [QTBUG-34558] Fix two race conditions in the media player.
+
+Qt for iOS
+----------
+
+ - New media player and basic camera support on iOS.
+
+Qt for BlackBerry
+-----------------
+
+ - Fix setting a URL containing reserved characters on a media player.
+ - Enable camera on the Playbook.
+ - New QAudioRecorder support.
+ - Fix video recording with BB 10.2.
+ - Improve camera focus handling.
+ - Fixed pixel aspect ratio for video windows.
+ - [QTBUG-33739] Fix camera viewfinder.
+
+Qt for Windows
+--------------
+
+ - WMF: emit positionChanged() signal when reaching the end of a media.
+ - [QTBUG-30776] DirectShow: improve metadata support.
+ - [QTBUG-33631][QTBUG-33518] WMF: allow to load media whose content doesn't match its file extension.
+ - [QTBUG-33518] WMF: allow to load QRC files with QAudioDecoder.
+ - [QTBUG-30435] WMF: fixed the media player failing to play some media formats.
+ - [QTBUG-32360] WMF: fixed compilation with Visual Studio 2008.
+ - [QTBUG-34479] DirectShow: fixed compilation with Visual Studio 2008.
+ - [QTBUG-32864] WMF: fixed compilation on Windows Vista.
+ - [QTBUG-30825] WMF: fixed QMediaPlayer changing to EndOfMedia status too early.
+ - [QTBUG-33160] Fix QAudioOutput::setVolume() limited to 50% on 32-bit Windows.
+
+Qt for QNX
+----------
+
+ - New camera and media player support when mmrenderer is available.
+
+****************************************************************************
+*                            Plugins                                       *
+****************************************************************************
+
+ - New QML import version QtMultimedia 5.2 adds a new autoOrientation
+   property to the VideoOutput type, which allows the video output to
+   always match the screen orientation.