remove Leiningen build files
remove unnecessary artifacts
un-ignore pom.xml
add (:require [backtype.storm LocalCluster]) to testing4j.clj (fixes compiles issues in some cases)
flesh out maven build process
fix license headers for clean RAT report
add excludes for intellij files
generate artifact signatures
introduce profiles to improve performance on non-release builds
STORM-156
use `clojure:test` instead of `clojure:test-with-junit` so build fails on test failures
Merge branch 'master' into maven
upgrade storm-maven-plugin to 1.3.18
use apache parent pom.