#6093: Rename CodecDescriptor for AudioCodecFactory

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

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

sflphone-common/src/audio/codecs/audiocodecfactory.h

sflphone-common/src/audio/sound/audiofile.cpp

sflphone-common/src/audio/sound/audiofile.h

sflphone-common/src/dbus/configurationmanager.cpp

sflphone-common/src/iax/iaxcall.cpp

sflphone-common/src/iax/iaxcall.h

sflphone-common/src/iax/iaxvoiplink.cpp

sflphone-common/src/iax/iaxvoiplink.h

sflphone-common/src/managerimpl.cpp

sflphone-common/src/managerimpl.h

sflphone-common/src/sip/sdp.cpp

sflphone-common/src/sip/sdp.h

sflphone-common/src/sip/sdpmedia.h

sflphone-common/src/sip/sipvoiplink.cpp