Added CentOS 5 Root User Enabled and CentOS 5 EC2 User Enabled images
Update README.md
cleaned up updated-centos5-images-tests branch
cleaned up updated-centos5-images-tests branch a bit more
Update updated-centos5-images-tests
Merge branch 'updated-centos5-images-tests'
Added CentOS 5 ec2-user and root testcase results.
Added Fedora 17 and 18 ec2-user testcases; removed Fedora 16 testcase