Double db connection pool size
Double db connection pool size

We are getting timeouts trying to acquire db connections, so we'll see
if a larger pool helps.

tobias/clojars-web,tobias/clojars-web,tobias/clojars-web,clojars/clojars-web,clojars/clojars-web,ato/clojars-web,clojars/clojars-web,ato/clojars-web