AWS Lambda function that creates container jobs from s3 event.
-If uploaded directly:
quadtree_lambda.launch_container
-If copy and pasted:
lambda_function.launch_container
http://docs.aws.amazon.com/lambda/latest/dg/lambda-introduction-function.html
http://docs.aws.amazon.com/lambda/latest/dg/python-context-object.html
https://aws.amazon.com/blogs/compute/better-together-amazon-ecs-and-aws-lambda/
http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DynamoDBMapper.DataTypes.html