fix sorting of BuildGroups on manage page
fix sorting of BuildGroups on manage page

Now they will actually be shown in position order.

jcfr/CDash,jcfr/CDash,jcfr/CDash,jcfr/CDash,cpatrick/CDash,jcfr/CDash,jcfr/CDash,cpatrick/CDash,cpatrick/CDash,cpatrick/CDash,cpatrick/CDash,cpatrick/CDash