Upgrade to 0.9.0-rc2

Interesting observation... 

I was receiving this:
 WARN (org.apache.zookeeper.server.ZooKeeperServer:372) - Failed to register with JMX
javax.management.InstanceAlreadyExistsException: org.apache.ZooKeeperService:name0=StandaloneServer_port-1

Which may be related to this:
http://isharapremadasa.blogspot.com/2013/07/avoiding-javaxmanagementinstancealready.html

(using JDK7 on OS X 10.9)

Before I dug too deep, I wanted to see if it was isolated to the specific version of Storm.  I upgraded the dependency and fixed the MockTopologyContext to match, and the issue went away.  

I have *NOT* tested deploying this with the 0.9, but figured I would create an issue for the upgrade so we can get it in there.