39 release candidate

* Pet page and browse page images using smaller thumbnails, load much quicker than previously
* Direct link to a pet page that can be shared with anyone, i.e. http://pett.io/#/pet/zellouisa
* Allow up to 5 Flickr images
* Flickr images differentiated by highlight
* Pet page images link to view of original pic
* Flickr images link to Flickr page
* Pet page image collage centered