Merge pull request #42 from jedp/master

Added ssh key management commands: listkeys, addkey, removekey
fix syntax error (missing closing brace)
fix bug where list would blow up if an instance name was malformed
fix syntax error in utility functions used by create_ami
update AMI with latest security patches
changes in 0.3.4
update version after publishing 0.3.4
update to performance tuned VM and nodejs 0.8.17
wait up to 10 minutes for AMIs to become public during create_ami
bump version after publishing 0.3.5
Fixed links to documentation in README.md

Links were still referencing https://github.com/lloyd/awsbox/

Should be https://github.com/mozilla/awsbox/
Merge pull request #45 from lorcanmcdonald/master

Small documentation fix
Changed path.exists to fs.exists, to be compatible with node >v0.7. Also supporting backwards-compatibility.
Merge pull request #46 from simonwex/master

exists and existsSync moved from path to fs libs.
new ami: latest security patches and enable additional package repository by default
bump to 0.3.7 after publishing and taging 0.3.6
improve finding of instances by name
whitespace cleanup
ergonomics improvements: better command line docs, terse output for list, fix searching, all commands are similar, commands are case instensitive, fix #33
bump to 0.4.1