Added brooklyn-locations-jclouds and aws-java-sdk dependencies to webapp pom.xml
Refactored LoadBalancer and ControlledDynamicWebAppCluster to allow use of non-provisioned load balancer
Added AbstractNonProvisionedController (mostly copied from AbstractController
Added AWS ElbController classes
Added webapp sandbox for ElbLauncher
First pass at end-to-end ElbController
Removed (and cycled) AWS credentials
Updated ElbLauncher to use EntitySpec.create
Added healthResult status check TODO