lxd provider in master

[Tim Penhey]

It is valid YAML, last one wins.

On 24/11/15 15:51, Nate Finch wrote:
> I guess we don't error out when we see duplicate environment names? 
> Shouldn't we?
> 
> On Mon, Nov 23, 2015 at 6:47 PM Tim Penhey <tim.penhey at canonical.com
> <mailto:tim.penhey at canonical.com>> wrote:
> 
>     >> In environments.yaml file I added a very simple clause:
>     >>
>     >>    lxd:
>     >>       type: lxd
>     >
> 
>     found that further down the file I found this:
> 
>         lxd:
>            type: local
>            container: lxd
> 
>     That was causing problems :-)
>