[#2034] Status bar added to account window to better reflect the registration

sflphone-client-gnome/src/accountlist.h

sflphone-client-gnome/src/actions.c

sflphone-client-gnome/src/config/Makefile.am

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

sflphone-client-gnome/src/config/accountwindow.h

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

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

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

sflphone-client-gnome/src/mainwindow.c

sflphone-client-gnome/src/menus.c

sflphone-client-gnome/src/sflphone_const.h

sflphone-client-gnome/src/uimanager.c

sflphone-common/src/account.h

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

sflphone-common/src/managerimpl.cpp

sflphone-common/src/sip/sipvoiplink.cpp