* fixed in launcher so reloading works (this also uses fixed URL list)
* signal for version synchronized
* removed setupreader.h where possible -> less compile dependencies
* removed redundant logging
* removed unused cleanup override
* connect &QCoreApplication::aboutToQuit in threaded reader
QWebEngine does not support MinGW compilers. In order to continue
support for MinGW in swift for now, opt it out in MinGW builds.
So far this affects only the news page, which is acceptable. This
way we keep the advantages of Windows MinGW builds.