feat(bootstrap!) add saturn, neptune, pluto, uranus

addresses #411 
Sorry, can't resist.

![Rick and Morty](http://37.media.tumblr.com/277ec00459c01c0c7a09e533af64b0f9/tumblr_n6e2pioMEQ1r6k11fo7_250.gif)

I'll stop now ;)