Replace minio-go with aws-sdk-go for s3-compatible log backend (#670)

* Logs should support specifying region when using S3-compatible object store

* Use aws-sdk-go client for s3 backed logstore

* fixes vendor with aws-sdk-go dependencies

vendor/github.com/aws/aws-sdk-go/service/inspector/doc.go

@@ -0,0 +1,30 @@
+// Code generated by private/model/cli/gen-api/main.go. DO NOT EDIT.
+
+// Package inspector provides the client and types for making API
+// requests to Amazon Inspector.
+//
+// Amazon Inspector enables you to analyze the behavior of your AWS resources
+// and to identify potential security issues. For more information, see  Amazon
+// Inspector User Guide (http://docs.aws.amazon.com/inspector/latest/userguide/inspector_introduction.html).
+//
+// See https://docs.aws.amazon.com/goto/WebAPI/inspector-2016-02-16 for more information on this service.
+//
+// See inspector package documentation for more information.
+// https://docs.aws.amazon.com/sdk-for-go/api/service/inspector/
+//
+// Using the Client
+//
+// To contact Amazon Inspector with the SDK use the New function to create
+// a new service client. With that client you can make API requests to the service.
+// These clients are safe to use concurrently.
+//
+// See the SDK's documentation for more information on how to use the SDK.
+// https://docs.aws.amazon.com/sdk-for-go/api/
+//
+// See aws.Config documentation for more information on configuring SDK clients.
+// https://docs.aws.amazon.com/sdk-for-go/api/aws/#Config
+//
+// See the Amazon Inspector client Inspector for more
+// information on creating client for this service.
+// https://docs.aws.amazon.com/sdk-for-go/api/service/inspector/#New
+package inspector