* Update provisioner.go

Changed the default port used for winrm when https is specified

update go-plugin

All our changes have been merged, so this moved the dependency back to
master

command/format: Fix rendering of force-new updates

command/format: Fix rendering of nested blocks during update

backend/local: Fix incorrect destroy/update count on apply

Update go mock version, Makefile, etc. for tests

command/format: Add more tests to cover non-primitive fields

backend/s3: Support DynamoDB, IAM, and STS endpoint configurations

remove approximate release date

* Upgrading to 2.0.0 of github.com/hashicorp/go-azure-helpers

* Support for authenticating using Azure CLI

* backend/azurerm: support for authenticating using the Azure CLI

don't modify argument slices

core: enhance service discovery

This PR improves the error handling so we can provide better feedback about any service discovery errors that occured.

Additionally it adds logic to test for specific versions when discovering a service using `service.vN`. This will enable more informational errors which can indicate any version incompatibilities.

[Website] adding six new community providers

command/format: Add tests for ResourceChange renderer

helper/schema: Fix setting a set in a list caused error

There were a couple spots where argument slices weren't being copied
before `append` was called, which could possibly modify the caller's
slice data.

Previously we were only doing this in the case where count wasn't set at
all.