Merge branch 'master' into conference

sflphone-common/libs/pjproject/build.mak.in

...t/pjlib-util/bin/pjlib-util-test-x86_64-unknown-linux-gnu

...s/pjproject/pjlib/bin/pjlib-test-x86_64-unknown-linux-gnu

...project/pjmedia/bin/pjmedia-test-x86_64-unknown-linux-gnu

sflphone-common/libs/pjproject/pjmedia/build/os-auto.mak

...ibs/pjproject/pjmedia/include/pjmedia-codec/config_auto.h

...pjproject/pjnath/bin/pjnath-test-x86_64-unknown-linux-gnu

...project/pjnath/bin/pjturn-client-x86_64-unknown-linux-gnu

.../pjproject/pjnath/bin/pjturn-srv-x86_64-unknown-linux-gnu

...s/pjproject/pjsip-apps/bin/pjsua-x86_64-unknown-linux-gnu

...s/pjproject/pjsip/bin/pjsip-test-x86_64-unknown-linux-gnu

sflphone-common/libs/pjproject/third_party/build/os-auto.mak

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

sflphone-common/src/audio/audiolayer.cpp

sflphone-common/src/audio/audiortp.cpp

sflphone-common/src/audio/audiortp/AudioZrtpSession.cpp

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

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

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

sflphone-common/src/audio/dcblocker.cpp