Fixes #227. Launched machines should announce their state as "started"
Cleaning up omnibus usage to link embedded bin, ruby into default $PATHs, rather than use /etc/environment to try tweaking (doesn't hit a large number of programs)
Merge pull request #228 from infochimps-labs/launched_nodes_are_started

Fixes #227. Launched machines should announce their state as "started"
Version bump to 4.7.1
Regenerate gemspec for version 4.7.1
Merge branch 'master' of https://github.com/infochimps-labs/ironfan into feature/Elastic_IP_enhanced
Merge branch 'feature/Elastic_IP_enhanced' of https://github.com/schade/ironfan into feature/Elastic_IP_enhanced
Fleshing out Enhanced Elastic Ip functionality; including autocreation of elastic ips when none are available, just allocating the first available elastic ip, and associating VPC elastic ips via their allocation_id.