changes needed for wwwadmin

Any reason not to use numpy's choice? 
On (Sep-05-14| 9:30), adamrp wrote:
> > @@ -17,11 +17,21 @@
> >  import json
> >  from time import sleep
> >  import psycopg2
> > +from random import choice
> 
> Move this up before import of psycopg2, then add a blank line between it and psycopg2 import
> 
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> https://github.com/biocore/american-gut-web/pull/50/files#r17182002