Release: AWS SDK for Go v1.0.0

Added List S3 Encrypted Objects example

Added Retryer field to Config

Fixes GitHub issue #426.

Added Go version to User agent, and custom UA setter. Adds helper funcs to generate request handlers to update request user agent. Like other request handlers these can be applied to sessions, service clients, and requests.

Also added User agent tagging for Paginators, Waiters, and S3Manager client request operations.

Fixed dynamodb service client to use custom retryer if one was specified.

Fixes ValuesAtPath to not double slice wrap a result

Fixed GitHub issue #433

Fixed SetValueAtPath to correctly handle target pointer. Updates SetValueAtPath to allow setting a pointer type to nil. Previously attempting to set a path to nil would set the path to the referenced type's zero value if the type was a pointer.

Fixed GitHub issue #302

Fixed request pagination to handle optional tokens. Request pagination was updated to handle optional pagination tokens.

Fixed GitHub issue #439

Added handling of error and path matchers. Adds handling of all matcher and state a waiter can be defined as.

Fixed GitHub issue #442

Fixed waiter WaitUntil methods to be thread safe. Removed the caching the WaitUntil config objects since they were introducing race conditions if the wait methods were called concurrently.

Fixed waiters to correctly wait for their associated resources. Fixes the waiter's check for matches to handle pointer vs value. Adds tests for waiters.

Fixed GitHub issue #442

Fixed bug in ValuesAtPath returning slice of empty map Added an additional check to ValuesAtPath to not return an empty map wrapped in a slice when no results were found.

Added additional test cases for ValuesAtPath and Pagination for this condition.

Fixed GitHub issue #437

Reduces the build allocs during JSONUtil protocol marshaller. Avoids fetching a field if its value is empty.