Add animalized seeds file to get this whole thing started. :) refs #362
Add stock images and upload them via CarrierWave (refs #362)

All three images are licensed under CC and taken from:

* https://www.flickr.com/photos/sicarr/4277922732
* https://www.flickr.com/photos/mathias-erhart/2562106102
* https://www.flickr.com/photos/donnagrayson/1539610421

I added attribution to the images - so I hope we're on the safe side.
added `db:seed` to the readme to hint that we have some :wink:
added radar entry and made region work again

..since the migration also create some regions, we
need to change the seed creation a little bit for it
we don't need to setup the admin manually anymore
Merge pull request #362 from hacken-in/issues/362

Add Database Seeds