Mostly kDebug -> qCDebug
Also some KCmdLineArgs -> QCommandLineParser

Conflicts:
	cli/kdeconnect-cli.cpp
	core/CMakeLists.txt
	core/backends/lan/lanlinkprovider.cpp
	core/daemon.cpp
	core/pluginloader.cpp
	interfaces/CMakeLists.txt
	kio/kiokdeconnect.cpp
	plugins/mousepad/CMakeLists.txt
	plugins/mousepad/mousepadplugin.h
	plugins/mpriscontrol/mpriscontrolplugin.cpp
	plugins/sftp/sftpplugin.cpp