Amazon ECS Agent - Release 1.0.0 - 2015-04-08

• Feature - Added the ability to update via ACS when running under
  amazon-ecs-init.
• Feature - Added version information (available via the version flag or the
  introspection API).
• Enhancement - Clarified reporting of task state in introspection API.
• Bug - Fix a lock scoping issue that could cause an invalid checkpoint file
  to be written.
• Bug - Correctly recognize various fatal messages from ACS to error out more
  cleanly.

Amazon ECS Agent - Release 0.0.3 - 2015-02-19

• Feature - Volume support for 'host' and 'empty' volumes.
• Feature - Support for specifying 'VolumesFrom' other containers within a task.
• Feature - Checkpoint state, including ContainerInstance and running tasks, to
  disk so that agent restarts do not leave dangling containers.
• Feature - Add a "/tasks" endpoint to the introspection API.
• Feature - Add basic support for DockerAuth.
• Feature - Remove stopped ECS containers after a few hours.
• Feature - Send a "reason" string for some of the errors that might occur while
  running a container.
• Bug - Resolve several issues where a container would remain stuck in PENDING.
• Bug - Correctly set 'EntryPoint' for containers when configured.
• Bug - Fix an issue where exit codes would not be sent properly.
• Bug - Fix an issue where containers with multiple ports EXPOSEd, but not
  all forwarded, would not start.