Update clojars-deployer to use latest leiningen.

We were relying on a pomegranate snapshot that no longer existed.
Update to newer as build to expose more sun.jdk classes [IMMUTANT-447]

This allows cider-nrepl to work properly.
Look for resources that may be in dirs that were created after deployment [IMMUTANT-446]
Update to newer AS build to fix further cider-nrepl issues [IMMUTANT-447]
Only force tools.logging to use log4j if available [IMMUTANT-449]
Codename.