loquat v2.0.0-M9

• #58: Moved data mappings list from config to loquat (to simplify chaining several loquats in a pipeline)
• #57: Fixed termination bugs related to the SQS polling (replaced it with a faster and better checks)
• #61: Manger now sends input tasks in parallel which makes it orders of magnitude faster
• #66: Updated aws-scala-tools to 0.18.1, which led to a lot of internal improvements related to the usage of AWS
• #72: Updated other dependencies
• #42, #60: Added a check that all input/output data-keys have distinct labels
• #65: Loquat config now uses an S3Folder for logs instead of just a bucket name (renamed to logsS3Prefix)
• #46: Added an email notification in case of manager installation failure
• #21: Added fatal worker failures email notifications

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See the full list of pull requests merged in this release in the v2.0-M9 milestone.