Fix a bug whereby the ad-hoc EC2 code tries to use the invalid host s3-us-east-1.amazonaws.com
Fix a bug whereby the ad-hoc EC2 code tries to use the invalid host s3-us-east-1.amazonaws.com

jmcabandara/imagefactory,LalatenduMohanty/imagefactory,jmcabandara/imagefactory,redhat-imaging/imagefactory,LalatenduMohanty/imagefactory,redhat-imaging/imagefactory