Merge pull request brianc#134 from shtylman/master

It said fork and add so that is what I did :)

Author: brianc

README.md

@@ -135,6 +135,7 @@ If you have a question, post it to the FAQ section of the WIKI so everyone can r
 ## Production Use
 * [yammer.com](http://www.yammer.com)
 * [bayt.com](http://bayt.com)
+* [bitfloor.com](https://bitfloor.com)
 
 _if you use node-postgres in production and would like your site listed here, fork & add it_