[#2518] Each account has its own codec list now

sflphone-client-gnome/src/actions.c

sflphone-client-gnome/src/actions.h

sflphone-client-gnome/src/codeclist.c

sflphone-client-gnome/src/codeclist.h

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

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

...-client-gnome/src/dbus/configurationmanager-introspec.xml

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

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

sflphone-common/src/account.cpp

sflphone-common/src/dbus/configurationmanager-introspec.xml

sflphone-common/src/dbus/configurationmanager.cpp

sflphone-common/src/dbus/configurationmanager.h

sflphone-common/src/iax/iaxcall.cpp

sflphone-common/src/iax/iaxcall.h

sflphone-common/src/iax/iaxvoiplink.cpp

sflphone-common/src/managerimpl.cpp

sflphone-common/src/managerimpl.h

sflphone-common/src/sip/sipvoiplink.cpp