Merge branch 'history_addons' into stable

po/fr.po

po/sflphone.pot

sflphone-gtk/configure.ac

sflphone-gtk/pixmaps/Makefile.am

sflphone-gtk/src/Makefile.am

sflphone-gtk/src/actions.c

sflphone-gtk/src/calltab.h

sflphone-gtk/src/calltree.c

sflphone-gtk/src/calltree.h

sflphone-gtk/src/configurationmanager-glue.h

sflphone-gtk/src/dbus.c

sflphone-gtk/src/dbus.h

sflphone-gtk/src/historyfilter.c

sflphone-gtk/src/historyfilter.h

sflphone-gtk/src/mainwindow.c

sflphone-gtk/src/menus.c

sflphone-gtk/src/sflphone_const.h

src/dbus/configurationmanager-glue.h

src/dbus/configurationmanager-introspec.xml

src/dbus/configurationmanager.cpp