[Util] It's enough for UnhoverDeleteMixin to take a QObject*.
[Util] Added RoleNamesMixin.
[Util] Derive UnhideListModel from RoleNamesMixin for Qt5.
[Util] Qt5-ified util-qml.
[Interfaces] Moved QNetworkReply* metatype decl to CSTP and Poshuku.
[Util] Avoid linking to Qt libraries in Qt5 mode.
[Core] Added missing includes.
[Core] Qt5 source code compatibility.