Merge branch 'master' into qt-client

lang/de/sflphone.po

lang/es/sflphone.po

lang/fr/sflphone.po

lang/ru/sflphone.po

lang/sflphone.pot

lang/zh_CN/sflphone.po

lang/zh_HK/sflphone.po

sflphone-client-gnome/configure.ac

sflphone-client-gnome/po/de/sflphone-client-gnome.po

sflphone-client-gnome/po/es/sflphone-client-gnome.po

sflphone-client-gnome/po/fr/sflphone-client-gnome.po

sflphone-client-gnome/po/ru/sflphone-client-gnome.po

sflphone-client-gnome/po/zh_CN/sflphone-client-gnome.po

sflphone-client-gnome/po/zh_HK/sflphone-client-gnome.po

sflphone-client-gnome/src/actions.c

sflphone-client-gnome/src/callable_obj.c

sflphone-client-gnome/src/config/accountwindow.c

sflphone-client-gnome/src/contacts/calltree.c

sflphone-client-gnome/src/contacts/history.c

sflphone-client-gnome/src/contacts/searchbar.c