Revision control

++ Qt 5.6 introduces many new features and improvements as well as bugfixes
++ over the 5.5.x series. For more details, refer to the online documentation
++ included in this distribution. The documentation is also available online:
++
++
++ The Qt version 5.6 series is binary compatible with the 5.5.x series.
++ Applications compiled for 5.5 will continue to run with 5.6.
++
++ 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.
++
++ ****************************************************************************
++ * Important Behavior Changes *
++ ****************************************************************************
++
++ - [OS X] QtWebEngine is now the default backend on OS X.
++ - Calling QtWebView::initialize() is now required to make sure the WebView
++ functions correctly on all platforms.
++
++ ****************************************************************************
++ * Platform-specific Changes *
++ ****************************************************************************
++
++ WinRT
++ ----
++ - Added support for Windows Runtime.
++
++ Android
++ -------
++ - [QTBUG-49664] JavaScript evaluation will now be stopped before the
++ WebView is released.
++ - [QTBUG-49566] Accessing geolocation is now allowed when the application
++ has the permission for ACCESS_FINE_LOCATION.