Cleaning up formatting and adding some debugging output to the TCP connection testing for SSH.
Fixing a bug in the SSH subsystem when it tries to connect to a private VPC IP address even though the --associate-public-ip flag has been passed in.
Merge pull request #202 from opscode/adamed/knife-455

KNIFE-455: knife ec2 may try to use private ip for vpc bootstrap even with --associate-public-ip flag