Update sphinx from 1.7.3 to 1.7.4
Update sphinx from 1.7.3 to 1.7.4
johngian/mozillians,mozilla/mozillians,johngian/mozillians,mozilla/mozillians,akatsoulas/mozillians,johngian/mozillians,johngian/mozillians,akatsoulas/mozillians,akatsoulas/mozillians,akatsoulas/mozillians,mozilla/mozillians,mozilla/mozillians