78733562 lf optimize photoplus

# [Photo plus images are still huge in SRP](https://www.pivotaltracker.com/story/show/78733562)

- size image on server

I could not get the specs running, but am in the process of cleaning up our bower pkgs + jasmine setups for 10%. 

![x](http://38.media.tumblr.com/fcd8d3627881a61ba2da8e169974dfbb/tumblr_naijtnYkeu1qhccbco1_1280.gif)
Is it certain that `photo.path` ends with a trailing slash?