* Initialize EC2ContainerServiceBackend and ContainerInstance objects with region_name
* Initialize ContainerInstance with default attributes
* These attributes are automatically applied by ECS when a container is registered
* Docs: http://docs.aws.amazon.com/AmazonECS/latest/developerguide/task-placement-constraints.html#attributes
* Format container_instance.attributes for response_object
* Python3
* Only use available ECS regions for ecs_backends
* Sort dictionaries on key='name' using lambda
* Sort all dicts in tests using lambda
* Uptick boto3 version to version supporting ECS container instance state changes
* Add initial status update
* Only place tasks on active instances
* PEP8 cleanup
* Add cloudformation support to AWS::ECS::Cluster
* Add CloudFormation support to AWS::ECS::TaskDefinition
* Add CloudFormation support to AWS::ECS::Service
* Add support to update AWS::ECS::Cluster through CloudFormation
* Fix Cluster.update_from_cloudformation_json to return original_resource if nothing changed
* Implement TaskDefinition.update_from_cloudformation_json
* Implement Service.update_from_cloudformation_json
* describe_task_definition support
* Refactor fetch_task_definition
* Add ECS Descriptors (#772)
* Add support for "DescribeServices" in ecs mock
* Add support for "DescribeTaskDefinition" in ecs
* Let ecs responses handle baseobject for services
* Update Cloudformation/parsing#load_parameters to split commadelimitedlists into lists (#774)
* Fix JSON dump error in ecs.update_service with task_definition (#775)
* Fix s3bucketpath handling for IP based requests (#765)
* check HTTP header for IPv4 or IPv6 addresses and default to path based S3
* improved IPv4 and IPv6 checking with optional ports
* typo
* Freezetime.
* Add S3 ACL for aws-exec-read. Closes#740.
* Fixed time formatting in ec2/models.py (#778)
* Fixed time formatting in ec2/models.py
* Used freezegun on test that was failing due to time progression causing timestamp differences.
* rename duplicate rds/models db_instance_identifier to physical_resource_id (#776)
* rename duplicate db_instance_identifier to physical_resource_id
* Update create_from_cloudformation_json to use db_source_identifier str
* Update code to be more conventional.
* describe_task_definition support
* Refactor fetch_task_definition
