First pass at a Clojure chapter for Taste of Riak (Welle).
Fixed h3 layout bug. Header elements now clear floats.
Add Taste of Clojure to global navigation.
Add OCaml to community supported Tastes.
Merge pull request #514 from basho/hc-taste-of-riak-clojure

A Clojure chapter for Taste of Riak (Welle).