Add support for Windows hosts in the SSH connection plugin (#47732)

* Add support for Windows hosts in the SSH connection plugin

* fix Python 2.6 unit test and sanity issues

* fix up connection tests in CI, disable SCP for now

* ensure we don't pollute the existing environment during the test

* Add connection_windows_ssh to classifier

* use test dir for inventory file

* Required powershell as default shell and fix tests

* Remove exlicit become_methods on connection

* clarify console encoding comment

* ignore recent SCP errors in integration tests

* Add cmd shell type and added more tests

* Fix some doc issues

* revises windows faq

* add anchors for windows links

* revises windows setup page

* Update changelogs/fragments/windows-ssh.yaml

Co-Authored-By: jborean93 <jborean93@gmail.com>

lib/ansible/plugins/doc_fragments/shell_windows.py

@@ -0,0 +1,47 @@
+# Copyright (c) 2019 Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+
+class ModuleDocFragment(object):
+
+    # Windows shell documentation fragment
+    # FIXME: set_module_language don't belong here but must be set so they don't fail when someone
+    #  get_option('set_module_language') on this plugin
+    DOCUMENTATION = """
+options:
+  async_dir:
+    description:
+    - Directory in which ansible will keep async job information.
+    - Before Ansible 2.8, this was set to C(remote_tmp + "\\.ansible_async").
+    default: '%USERPROFILE%\\.ansible_async'
+    ini:
+    - section: powershell
+      key: async_dir
+    vars:
+    - name: ansible_async_dir
+    version_added: '2.8'
+  remote_tmp:
+    description:
+    - Temporary directory to use on targets when copying files to the host.
+    default: '%TEMP%'
+    ini:
+    - section: powershell
+      key: remote_tmp
+    vars:
+    - name: ansible_remote_tmp
+  set_module_language:
+    description:
+    - Controls if we set the locale for moduels when executing on the
+      target.
+    - Windows only supports C(no) as an option.
+    type: bool
+    default: 'no'
+    choices:
+    - 'no'
+  environment:
+    description:
+    - Dictionary of environment variables and their values to use when
+      executing commands.
+    type: dict
+    default: {}
+"""