Pin uchiwa

* Pin uchiwa for Ubuntu 12.04
No doubt about importance of pinning...
Im working on kitchen-salt branch which is pinning both uchiwa and sensu
package.
Will open the PR this afternoon.

On Friday, November 7, 2014, Matthew Mead-Briggs <notifications@github.com>
wrote:

> In sensu/map.jinja:
>
> > @@ -59,6 +59,72 @@
> >                  'critical': 85,
> >              },
> >          },
> > +        'uchiwa': {
> > +            'version': '0.2.6-1'
>
> Very happy to move to the new version. But we should pin anyway, so I
> think it should be a seperate PR.
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/ministryofjustice/sensu-formula/pull/40/files#r20007109>
> .
>