Merge branch 'master' into jbonjean

sflphone-common/src/audio/alsa/alsalayer.cpp

sflphone-common/src/audio/audiolayer.cpp

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

sflphone-common/src/audio/pulseaudio/audiostream.cpp

sflphone-common/src/audio/pulseaudio/audiostream.h

sflphone-common/src/audio/pulseaudio/pulselayer.cpp

sflphone-common/src/audio/pulseaudio/pulselayer.h

sflphone-common/src/managerimpl.cpp

sflphone-common/test/audiolayerTest.cpp