Improve naming of one of the cloudfront tasks
Change test_identifier back to resource_prefix now it's always
lower case.
More tests around using distribution_id and default_root_object
* added cloudfont.py, modified cloudfront_facts.py class name and fixed a minor bug
* Improvements to cloudfront_distribution
* Reduce the scope of the cloudfront_distribution module
* Remove presigning
* Remove streaming distribution functionality
* Add full test suite for cloudfront distribution
* Meet Ansible AWS guidelines
* Make requested changes
Fix tests
Use built-in waiter
Update copyright