Implementing new initiation for account selection

src/gui/qt/EventAccount.cpp

src/gui/qt/PhoneLine.cpp

src/gui/qt/PhoneLine.hpp

src/gui/qt/PhoneLineManagerImpl.cpp

src/gui/qt/PhoneLineManagerImpl.hpp

src/gui/qt/SFLEvents.cpp

src/gui/qt/SFLEvents.hpp

src/gui/qt/SFLPhoneApp.cpp

src/gui/qt/SFLRequest.cpp

src/gui/qt/Session.cpp

src/gui/qt/Session.hpp

src/gui/qt/main.cpp

src/gui/server/requestconfig.cpp

src/managerimpl.cpp