Adding beanstalk support

Added beanstalk resource to AwsClient, AwsCollections, and Awd Crawlers
Added a few missing peices
Adding Cloudformation support
Using describeStacks and listStackResources, this seems to be the best combination for retrieving cloudformation stack data
Removing beanstalk support from cloudformation branch
Removing config changes from cloudformation branch
Fixing refresh config entry
Merge pull request #43 from ScrippsNetworks/cloudformation

Cloudformation Stack support
Merge branch 'master' of github.com:Netflix/edda