Move functions related to message composition from riemann.email to riemann.common
Add common function: truncate-bytes
Add AWS SNS notifier
Merge pull request #176 from mblair/bump-lamina-to-fix-build

Pin Lamina to fix the build.
Ensure that (:streams core) is always a vec.

Clojure.core/concat always returns a LazySeq, not a vec, and LazySeq has some
synchronized badness (see src/jvm/clojure/lang/LazySeq.java, line 59).
Use a LinkedBlockingQueue in riemann.pool.

LinkedBlockingQueues generally exhibit better throughput and diminished lock
contention when compared to ArrayBlockingQueues.
Merge pull request #179 from banjiewen/vector-streams

Ensure that (:streams core) is always a vec.
Merge pull request #171 from glucoseinc/add-aws-sns-notifier

Add aws sns notifier
Merge pull request #175 from mblair/debian-deps-fix

Add Java to deb dependencies.
Merge pull request #180 from banjiewen/pool-linkedqueue

Use a LinkedBlockingQueue in riemann.pool.