misc: put lrcinstance implementation into cpp file

CMakeLists.txt

jami-qt.pro

qml.qrc

src/calladapter.cpp

src/lrcinstance.cpp

src/lrcinstance.h

src/mainapplication.cpp

src/mediacodeclistmodel.cpp

src/messagesadapter.cpp

src/pluginlistpreferencemodel.h

src/qmlregister.cpp

src/settingsadapter.cpp

src/updatemanager.cpp

src/utilsadapter.cpp