Merge branch 'master' into recording

po/de.po

po/es.po

po/fr.po

po/ru.po

po/sflphone.pot

po/zh_CN.po

po/zh_HK.po

sflphone-gtk/src/assistant.c

sflphone-gtk/src/audioconf.c

sflphone-gtk/src/configwindow.c

sflphone-gtk/src/dbus.c

sflphone-gtk/src/dbus.h

sflphone-gtk/src/mainwindow.c

src/call.cpp

src/call.h

src/dbus/configurationmanager.cpp

src/managerimpl.cpp

src/plug-in/audiorecorder/audiorecord.cpp

src/plug-in/audiorecorder/audiorecord.h

src/voiplink.h