CORE-3909: added a clenup task for notifications
CORE-3909: fixed a couple of bugs in the notificaiton cleanup code
CORE-3924: migrated to Korma version 0.3.0-RC2
CORE-3924: switched to the latest version of clojure-commons
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
clojure 1.5.1
Merge branch 'dev' into 1.8

Conflicts:
	project.clj
	src/clockwork/core.clj
CORE-4142: added a configuration setting for enabling and disabling the notification cleanup task
CORE-4142: removed an extra blank line
Merge remote-tracking branch 'remotes/origin/dev'