it logs when run with the debug flag, i didnt want to muck up the output since we would be checking all regions, is this adaquate?

```
$ heirloom catalog -l debug
2013-10-21 12:12:54 -0700 DEBUG : Proxy environment variable https_proxy not set.
2013-10-21 12:12:54 -0700 DEBUG : Catalog exists in us-west-1.
us-west-1
  baseline-config
  bweaver-test-baseline-ami
  config
  intu-packages
  kyoung-chef-11-1-app
  kyoung-chef-11-1-chef-repo
  kyoung-chef-11-app
  kyoung-chef-11-chef-repo
  kyoung-refactor-ohai-1-app
  kyoung-refactor-ohai-1-chef-repo
  kyoung-refactor-ohai-app
  kyoung-refactor-ohai-chef-repo
2013-10-21 12:12:55 -0700 DEBUG : Catalog does not exist in us-east-1.
2013-10-21 12:12:55 -0700 DEBUG : Catalog exists in us-west-2.
us-west-2
  cap
  cap_chef_repo
  cap_jenkins_backups
  courier
  courier_chef_repo
  paas
  paas-ui
```