Merge upgrade to Akka 2.2.1 [from crdueck](https://github.com/lloydmeta/schwatcher/pull/14)

Squashed commit of the following:

commit fbbbf94f4a66e9eff087d8e655935611d4b32165
Author: Lloyd Meta <lloydmeta@gmail.com>
Date:   Thu Sep 19 08:42:22 2013 +0900

    Update Props instantiation to 2.2.1 syntax and revert to Await

commit 1ed97c63fa13f797f1e89f0b22fca7a23c1ccaa1
Author: crdueck <chris@chris-OptiPlex-760.(none)>
Date:   Wed Sep 18 14:22:24 2013 -0400

    update to Akka 2.2.1

commit 7909efd9ad205895a7fe001bae6b6d57ddbb67da
Author: crdueck <chris@chris-OptiPlex-760.(none)>
Date:   Wed Sep 18 14:20:45 2013 -0400

    remove sbt-idea plugin