Added ability to specify duration of instance when launching
Re-wrote ec2-launch in Ruby
Re-wrote ec2-list in ruby, and with string state descriptions rather than codes
Updates ec2-state to match new ec2-list args
Modularised all the ruby code, mark obsolete hosts when naming
Added EC2 hostname to ec2-list output
No longer need to pass -d switch to ec2-name
Added --no-obsolete to ec2-launch
Wrong variable names in SSH error messages
--no-obsolete logic was wrong
Added ec2 wait
Variable name collision in ec2-state
Re-introduced the block_size option to ec2 launch
Added output fields option to ec2 list
Trying different incantations of ssh-keygen for generation of known hosts file
Merge pull request #5 from realestateview/master

Pull request from REV fork