Updates for Windows Server version 1709 with K8s v1.8 (#6180)

* Updated for WSv1709 and K8s v1.8

* Updated picture and CNI config

* Fixed formatting on CNI Config

* Updated docs to reference Microsoft/SDN GitHub docs

* fix typo

* Workaround for Jekyllr frontmatter

* Added section on features and limitations, with example yaml files.

* Update index.md

* Added kubeadm section, few other small fixes

* Few minor grammar fixes

* Update access-cluster.md with a comment that for IPv6
the user should use [::1] for the localhost

* Addressed a number of issues brought up against the base PR

* Fixed windows-host-setup link

* Rewrite PodSecurityPolicy guide

* Update index.md

Signed-off-by: Alin Balutoiu <abalutoiu@cloudbasesolutions.com>
Signed-off-by: Alin Gabriel Serdean <aserdean@ovn.org>

* Spelling correction and sentence capitalization.

- Corrected the spelling error for storing, was put in as 'stoing'.
- Capitalized list items.
- Added '.' at end of sentences in the list items.

* Update index.md

* Update index.md

* Addressed comments and rebased

* Fixed formatting

* Fixed formatting

* Updated header link

* Updated hyperlinks

* Updated warning

* formatting

* formatting

* formatting

* Revert "Update access-cluster.md with a comment that for IPv6"

This reverts commit 31e4dbdc25.

* Revert "fix typo"

This reverts commit c05678752d.

* Revert "Workaround for Jekyllr frontmatter"

This reverts commit b84ac59624.

* Fixed grammatical issues and reverted non-related commits

* Revert "Rewrite PodSecurityPolicy guide"

This reverts commit 5d39cfeae4.

* Revert "Spelling correction and sentence capitalization."

This reverts commit 47eed4346e.

* Fixed auto-numbering

* Minor formatting updates

docs/getting-started-guides/scratch.md

@@ -705,7 +705,7 @@ Complete this template for the scheduler pod:
     "containers": [
       {
         "name": "kube-scheduler",
-        "image": "$HYPERKUBE_IMAGE",
+        "image": "$HYBERKUBE_IMAGE",
         "command": [
           "/hyperkube",
           "scheduler",