Allow AWS creds to be optional
Document the AWS creds as optional
Improve check for existing EC2 SG holes
description was wrong
fix syntax error
Correct the EC2 SG hole check
Merge pull request #2 from shlomoswidler/master

Get fixed existing EC2 SG hole check
Merge pull request #2 from myCloudWatcher/master

Get fixed EC2 SG existing hole check