Migrate to Clojure 1.6 and Guava 18.0
Mozilla's Public Suffix List which relabeled .local as non-public

See https://bugzilla.mozilla.org/show_bug.cgi?id=725530

This failing test was triggered by the update to Guava 1.8 which uses
a newer PSL.
Merge pull request #11 from emidln/update_deps

Update deps (Guava and Clojure)