Description of problem:
ec2 image has architecture i386 even if I request 64bit architecture.

Version-Release number of selected component (if applicable):


How reproducible:
I think this happens randomly

Steps to Reproduce:
1. build 64bit image
2. try to start instance
3.
  
Actual results:


Expected results:


Additional info:
log from image build:
/var/log/imagefactoryd/bg.log.11575-70362996304200.1
Building 'Template_Name1-image-1-1299834882.19135' appliance for x86_64 architecture.

log when trying to start instance from the image:
/var/log/deltacloud-core/ec2.log:
Deltacloud::BackendError - InvalidParameterValue: The requested instance type's architecture (x86_64) does not match the architecture in the manifest for ami-6226d30b
 (i386)