#5709: Add core functionnality for always recording (missing config options)

sflphone-client-gnome/src/actions.c

sflphone-client-gnome/src/config/accountconfigdialog.c

sflphone-client-gnome/src/contacts/calltree.c

sflphone-client-gnome/src/dbus/dbus.c

sflphone-client-gnome/src/uimanager.c

sflphone-common/src/dbus/callmanager.cpp

sflphone-common/src/managerimpl.cpp

sflphone-common/src/managerimpl.h

sflphone-common/src/preferences.cpp

sflphone-common/src/preferences.h