Add ec2_elb_lb for managing ELBs
Add health check parameter.
Initial commit of rax_dns module
Add state attribute to description
Remove errant raise
Initial commit of rax_dns_record
Add ec2_key module.
Minor typos and remove extra dependencies.
Added ability to start and stop existing EC2 instances.
Bumped to v1.5
Add rule group_name parameter whose value can reference containing group name.
Check for group_name and cidr_ip.
Add module support for Rackspace Cloud Files Containers
Add rax_files_objects module for Rackspace Cloud Files support

This squashed commit fixed typos, changed to Py 2.4 compatible exceptions
Completed documentation and examples
Added ability to create EC2 volume from snapshot

ec2_vol module now takes optional snapshot argument
Added relevant module argument handler and documentation
keypair is not absolutely required when creating ec2 instances
Minor documentation fixes.

Fixed double-dash literals. Fixed broken :doc: links. Minor case fixes. Minor wording fixes.
Disallow su and sudo params in same play/task
Fix bug where self.su was being set by the sudo param in play tasks