upped dependencies and increased version

lein-iplant-rpm -> 1.4.1-SNAPSHOT
clojure -> 1.5.0
tools.logging -> 0.2.6
cheshire -> 5.0.2
clj-http -> 0.6.5
clj-time -> 0.4.5
clj-jargon -> 0.2.4-SNAPSHOT
clojure-commons -> 1.4.1-SNAPSHOT
kameleon -> 0.1.1-SNAPSHOT
slf4j-api -> 1.7.2
slf4j-log4j12 -> 1.7.2