Localstack

Change Log:

Lazy loading of libraries; fix handling of regions; add API multiserver; improve CPU profiling; fix ES xpack installation; add basic EventBridge support; refactor Lambda API and executor; add MessageAttributes on SNS payloads; tagging for SNS; ability to customize docker command

* v0.3.10: Add initial support for S3 bucket notifications; fix subprocess32 installation
* v0.3.9: Make services/ports configurable via $SERVICES; add tests for Firehose+S3
* v0.3.8: Fix Elasticsearch via local bind and proxy; refactoring; improve error logging
* v0.3.5: Fix lambda handler name; fix host name for S3 API; install web libs on pip install
* v0.3.4: Fix file permissions in build; fix and add UI to Docker image; add stub of ES API
* v0.3.3: Add version tags to Docker images
* v0.3.2: Add support for Redshift API; code refactoring
* v0.3.1: Add Dockerfile and push image to Docker Hub

- v0.3.0: Add simple integration for JUnit; improve process signal handling
- v0.2.11: Refactored the AWS assume role function
- v0.2.10: Added AWS assume role functionality.
- v0.2.9: Kinesis error response formatting
- v0.2.7: Throw Kinesis errors randomly
- v0.2.6: Decouple SNS/SQS: intercept SNS calls and forward to subscribed SQS queues
- v0.2.5: Return error response from Kinesis if flag is set
- v0.2.4: Allow Lambdas to use **file** (import from file instead of exec'ing)
- v0.2.3: Improve Kinesis/KCL auto-checkpointing (leases in DDB)

Changelog from previous versions:
- v0.2.0: Speed up installation time by lazy loading libraries
- v0.1.19: Pass shard_id in records sent from KCL process