[bug 746795] Make the curators form field required.
[bug 746795] Make the curators form field required.

akatsoulas/mozillians,mozilla/mozillians,fxa90id/mozillians,mozilla/mozillians,mozilla/mozillians,fxa90id/mozillians,fxa90id/mozillians,fxa90id/mozillians,akatsoulas/mozillians,johngian/mozillians,akatsoulas/mozillians,johngian/mozillians,johngian/mozillians,johngian/mozillians,akatsoulas/mozillians,mozilla/mozillians