First attempt of configuration panel

src/gui/official/ConfigurationManager.hpp

src/gui/official/ConfigurationManagerImpl.cpp

src/gui/official/ConfigurationManagerImpl.hpp

src/gui/official/ConfigurationPanel.ui

src/gui/official/ConfigurationPanel.ui.h

src/gui/official/PhoneLineManagerImpl.cpp

src/gui/official/QjListBoxPixmap.cpp

src/gui/official/QjListBoxPixmap.hpp

src/gui/official/SFLPhoneApp.cpp

src/gui/official/SFLPhoneWindow.cpp

src/gui/official/SFLPhoneWindow.hpp

src/gui/official/SFLRequest.cpp

src/gui/official/SFLRequest.hpp

src/gui/official/Session.cpp

src/gui/official/Session.hpp

src/gui/official/sflphone.pro