Merge branch 'pierre-luc'

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

sflphone-client-gnome/src/sflphone_const.h

sflphone-common/src/account.h

sflphone-common/src/call.cpp

sflphone-common/src/managerimpl.cpp

sflphone-common/src/managerimpl.h

sflphone-common/src/sdp.cpp

sflphone-common/src/sipaccount.cpp

sflphone-common/src/sipaccount.h

sflphone-common/src/sipcall.cpp

sflphone-common/src/sipvoiplink.cpp

sflphone-common/src/user_cfg.h