This changes many different CMake places to mention Qt6 instead of Qt5. Note that some old qt5 cmake config files in corelib are probably not needed anymore, but I still renamed and kept them for now. Change-Id: Ie69e81540386a5af153f76c0242e18d48211bec4
Qt 4 extends Qt's support for multithreaded applications with an API for concurrent programming which includes implementations of the well-known map-reduce and filter-reduce algorithms. Documentation for these examples can be found via the Examples link in the main Qt documentation.