Fix issue 3082, 3084 and half of 3083

sflphone-client-kde/src/AccountWizard.cpp

sflphone-client-kde/src/CMakeLists.txt

sflphone-client-kde/src/conf/ConfigurationDialog.cpp

sflphone-client-kde/src/conf/ConfigurationDialog.h

sflphone-client-kde/src/conf/ConfigurationSkeleton.cpp

sflphone-client-kde/src/conf/ConfigurationSkeleton.h

sflphone-client-kde/src/conf/dlgaccounts.cpp

sflphone-client-kde/src/conf/dlgaccounts.h

sflphone-client-kde/src/conf/dlgaccountsbase.ui

sflphone-client-kde/src/conf/dlgaudio.cpp

sflphone-client-kde/src/conf/dlgaudio.h

sflphone-client-kde/src/conf/dlgaudiobase.ui

...ne-client-kde/src/dbus/configurationmanager-introspec.xml

sflphone-client-kde/src/sflphone_const.h