Feature/workflow task group fixes

Added asterisks to make end date and assignee required.
Added validation to check for end date.
Added validation for assignee.
end date


On Tue, Jul 1, 2014 at 10:34 AM, Dan Ring <notifications@github.com> wrote:

> In src/ggrc_workflows/assets/mustache/task_groups/tree.mustache:
>
> > @@ -17,7 +17,14 @@
> >                    {{/using}}
> >                  </div>
> >                </li>
> > -
> > +              <li>
> > +                <strong>End date: </strong>
>
> End date or start date?
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/reciprocity/ggrc-core/pull/1494/files#r14417808>.
>