[bug 1247219] Add a link to show_group in group_edit page.
[bug 1247219] Add a link to show_group in group_edit page.

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