Merge branch 'm_savard'

sflphone-common/src/audio/audiortp/AudioRtpSession.h

sflphone-common/src/audio/codecs/Makefile.am

sflphone-common/src/audio/codecs/celtcodec.cpp

sflphone-common/src/audio/codecs/speexcodec_nb.cpp

sflphone-common/src/audio/codecs/speexcodec_wb.cpp

sflphone-common/src/dbus/callmanager.cpp

sflphone-common/src/managerimpl.cpp

sflphone-common/src/sip/sipcall.cpp

sflphone-common/src/sip/sipvoiplink.cpp

sippxml/ip2ip_uac_send_hangup.xml

sippxml/ip2ip_uac_send_peer_hungup.xml

sippxml/testsuiteuac.sh

tools/pysflphone/pysflphone_testdbus.py

tools/pysflphone/sflphonectrlsimple.py