Revision control

++ Qt 5.3.2 is a bug-fix release. It maintains both forward and backward
++ compatibility (source and binary) with Qt 5.3.1.
++
++ For more details, refer to the online documentation included in this
++ distribution. The documentation is also available online:
++
++
++ The Qt version 5.3 series is binary compatible with the 5.2.x series.
++ Applications compiled for 5.2 will continue to run with 5.3.
++
++ Some of the changes listed in this file include issue tracking numbers
++ corresponding to tasks in the Qt Bug Tracker:
++
++
++ Each of these identifiers can be entered in the bug tracker to obtain more
++ information about a particular change.
++
++ ****************************************************************************
++ * Library *
++ ****************************************************************************
++
++ - Improved documentation.
++ - Fixed compilation with QT_DISABLE_DEPRECATED_BEFORE=0x050300.
++
++ - QSerialPortInfo:
++ * Improved detection of serial numbers of the USB CDC serial ports on Windows.
++ * Now the OSX code is in its own separate module.
++ * Rewrote OSX code to wrap CFTypeRef and CFStringRef, which are defined in
++ qcore_mac_p.h.
++ * Optimized searching of the names of serial ports on Windows. The algorithm
++ now returns early if a serial port name is found.
++ * [QTBUG-39748][QTBUG-41415] Fixed error caused by calling fromWCharArray()
++ with incorrect arguments on Windows.
++
++ - QSerialPort:
++ * [QTBUG-36727] Fixed entering a busy-loop on Linux/OSX when connected device
++ disappears for the system (e.g. the USB converter was pulled from the PC).
++ * [QTBUG-35829] Fixed the error message "QSocketNotifier::Exception is not
++ supported on iOS".
++ * [QTBUG-32020] Improved the ResourceError handling on Windows when a
++ USB/Serial converter is pulled from PC.
++ * Immediately returns from the waitForReadyRead() on Linux when there is an
++ error.
++ * Refactored error handling on Windows.
++ * [QTBUG-40344] Fixed the loopback I/O on Windows when waitForBytesWritten()
++ is used.
++ * [QTBUG-40414] Fixed leak of a descriptor after unsuccessful opening.
++ * Made the QSerialPort::flush() non-blocking according to the documentation.
++ * [QTBUG-40793] Now the waitForReadyRead() also starts writing on Windows.