- Update version to 5.4.0
* Fix correct tools output message typo
* Fix memory leak in dsettings
* Fix bug for desktop

- Update version to 5.2.2.5
* Fix bugs
* Add class DThreadUtils
* Fix ID in os-release

- Update version to 5.2.0
* Switch to LGPLv3 license
* Fix bug-20975 DSettings::reset emit too many valueChanged
* Fix ix tow tag on same commit
* Support get installed memory size from lshw
* Fix stderr warning from deepin-os-release tool
* Add personal edition support and check
* Add class template argument for overrideVfptrFun
* Support override global vtable of class
* Add ddeDisplayName() for DDE applications