EUCA-9845 allow arbitrary whitelisted template URL (new property) and S3 URLs within eucalyptus for CloudFormation
Adding stack tags to all resources (and adding tagging to instances) EUCA-9644
Added tagging support for buckets, volumes, and autoscaling groups (EUCA-9844)
Had only added non-stack tags to resources, remedied that (EUCA-9844)
Set message type to .markPrivileged() for EC2 tags and did checks against euca: and aws: prefixes on tags (part of EUCA-9844)
Better error messages (EUCA-9845)
Merge branch 'dev/ethomas/EUCA-9845' into dev/ethomas/4-1-sprint-demo-4
Merge branch 'dev/ethomas/EUCA-9844' into dev/ethomas/4-1-sprint-demo-4

Conflicts:
	clc/modules/cloudformation/src/main/java/com/eucalyptus/cloudformation/CloudFormationService.java
Fixed security group tagging (VPC)
Fixed SSL error messages
Merge branch 'dev/ethomas/EUCA-9844' into dev/ethomas/4-1-sprint-demo-4
Merge branch 'dev/ethomas/EUCA-9845' into dev/ethomas/4-1-sprint-demo-4
Fixed an issue getting S3 objects from cloudformation
EUCA-9844 (Template URL), EUCA-9845 (Stack Tagging), EUCA-9646 (Resource Tagging).
Merge branch 'dev/ethomas/4-1-sprint-demo-4' into testing