[KNIFE-422] Add option for specifying identity file for SSL gateway when creating ec2 server
EC2 server creation tunnelling should wait for a valid banner before continuing.
KNIFE-430: Unit tests for waiting for SSH Header

We should have a functional test for this, but this at least tests that we
don't yield and return true if we haven't read an SSH header.
Merge pull request #199 from opscode/btm/KNIFE-430

KNIFE-430: Test for SSH Header on connect
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
Docs: Increase detail about necessary options for VPC instance creation

VPC instances will need --server-connect-attribute, especially when the
VPC instance is created with --associate-eip on the command line.
Without it, the SSH process in the knife ec2 server create will insist
on connecting to the original public IP address, rather than the new
EIP
Merge pull request #203 from opscode/sh/create-server-sca

Docs: Increase detail about necessary options for VPC instance creation
handle windows line endings in credentials file
Merge pull request #204 from opscode/adamed/knife-453

KNIFE-453: handle windows line endings in AWS credentials file
Update README.md

Updated README.md to make it easier to read options for :aws_credential_file
Merge pull request #205 from opscode/adamed/knife-456

KNIFE-456: Update README.md to make it easier to read options for :aws_credential_file
Bumped fog version to 1.20.0; rspec passes
Merge pull request #206 from opscode/adamed/knife-454

KNIFE-454: Bumped fog version to 1.20.0; rspec passes -- obvious fix.
Update to use new standard OSS documentation
Fix minor consistency issues
Merge pull request #207 from opscode/adamed/knife-ec2-docs

Update documentation to new standard OSS documents
Update version for 0.8.0 release
Update README to add links from standard README template