#1817, [5962], right_aws: caching for describe_images_by_* method mergen into trunk
#1817, [5962], right_aws: caching for describe_images_by_* method mergen into trunk



git-svn-id: bee8fd0f8e0815e8ea0c22dfae6affac2de52234@6011 9f0cbaf6-ce18-0410-ad37-d14a22affa91

gentoo/right_aws,envato/right_aws,rightscale/right_aws,zuazo-forks/right_aws