Added some words about the outbox

Updated references, including Automatonymous

Upgraded to release versions of libraries, preparing for release.

Updated build.fsx

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Removed all usages of TaskUtil.Await for unit tests

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Fixed MassTransit#586 - lack of a trailing slash would cause vhost to…

… not be recognized.

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Verified port specification for host settings

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Updated references for release

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Updated packages, verified tests

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Updated dependencies to all 4.5.2 packages, including Topshelf 4

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