* adding Operational Considerations section
modified: docs/getting-started-guides/ubuntu/logging.md
* Moving logging section from operational-considerations.md to logging.md
renamed: docs/getting-started-guides/ubuntu/operations.md -> docs/getting-started-guides/ubuntu/operational-considerations.md
* mapping to the proposed name
* ditched CDK naming in favor of k8s or cluster
* add whitelines for titles
- This supercedes PR #1770
- This breaks up the section from one huge installation page into:
- A new index page.
- New support grid with commercial and community support options.
- Move to lifecycle-based pages based on operational tasks.
- Add support for local deployments via LXD.
- Added screenshots to images/docs/ubuntu
- Add backup page.
- Add decommissioning page.
- Add a glossary of terms page.
- Rewritten installation page.
- Add logging page.
- Add monitoring page.
- Add networking page, flannel only for now, calico in progress.
- Add a scaling page.
- Add a security page.
- Add a storage page.
- Add a troubleshooting page.
- Add an upgrade page.
- Add a cluster validation page.
- Add new ubuntu content to the index page.
- Add Ubuntu to _data TOC.
- Add warning about choosing ipv6 with LXD, thanks Ed Baluf.
- Template-ize all the pages per jaredb's review.
Samuel Cozannet
Jorge O. Castro