Revision control

++ Qt 5.4 introduces many new features and improvements as well as bugfixes
++ over the 5.3.x series. For more details, refer to the online documentation
++ included in this distribution. The documentation is also available online:
++
++
++ The Qt version 5.4 series is binary compatible with the 5.3.x series.
++ Applications compiled for 5.3 will continue to run with 5.4.
++
++ 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 *
++ ****************************************************************************
++
++ QtPositioning
++ -------------
++
++ - Position:
++ * [QTBUG-39547] Added magneticVariation and magneticVariationValid
++ property to the QML Position type.
++
++ - General:
++ * Weatherinfo end Flickr example improved.
++
++ - QGeoCircle:
++ * [QTBUG-41447] Fixed contains() when rounding errors occur
++
++ - QGeoCoordinate:
++ * [QTBUG-41739] Fixed toString() output in cases when rounding
++ of longitude/latitude is necessary.
++
++ ****************************************************************************
++ * Platform Specific Changes *
++ ****************************************************************************
++
++ Android
++ -------
++
++ - [QTBUG-41873] Fixed wrong initialization of QGeoPositionInfoSource::error()
++ after class instantiation.
++
++ iOS
++ ---
++
++ - [QTBUG-41827] Fixed position retrieval on iOS 8. This was required due
++ to the new authorization scheme in CLLocationManager.
++