added :auto_elastic_ip functionality to separate it from known :elastic_ip addresses
:auto_elastic_ip functionality to separate it from known :elastic_ip addresses; fixing docstrings for new features.
:auto_elastic_ip functionality to separate it from known :elastic_ip addresses; fixing docstrings for new features. Part deaux
Merge pull request #5 from schade/feature/Elastic_IP_enhanced

Feature/elastic ip enhanced