1. Update the script to skip checking a whole folder
2. Skip checking auto-generated kubectl docs since they already work without title
3. Remove some skipped files in skip_toc_check.txt since we can now skip a folder
- 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.
* Example of `/etc/sysconfig/flanneld` is not valid
Configuration keys were different, I got those errors when followed steps from docs:
```
[ailyin@elite ~]$ systemctl status flanneld.service
● flanneld.service - Flanneld overlay address etcd agent
Loaded: loaded (/usr/lib/systemd/system/flanneld.service; enabled; vendor preset: disabled)
Active: activating (start) since Wed 2017-01-04 19:00:21 EST; 34s ago
Main PID: 4668 (flanneld)
Memory: 3.5M
CGroup: /system.slice/flanneld.service
└─4668 /usr/bin/flanneld -etcd-endpoints= -etcd-prefix=
Jan 04 19:00:46 elite.dev flanneld[4668]: E0104 19:00:46.395562 04668 network.go:53] Failed to retrieve network config: client: etcd cluster is unavailable or misconfigured
Jan 04 19:00:47 elite.dev flanneld[4668]: E0104 19:00:47.395788 04668 network.go:53] Failed to retrieve network config: client: etcd cluster is unavailable or misconfigured
Jan 04 19:00:48 elite.dev flanneld[4668]: E0104 19:00:48.395990 04668 network.go:53] Failed to retrieve network config: client: etcd cluster is unavailable or misconfigured
Jan 04 19:00:49 elite.dev flanneld[4668]: E0104 19:00:49.396141 04668 network.go:53] Failed to retrieve network config: client: etcd cluster is unavailable or misconfigured
Jan 04 19:00:50 elite.dev flanneld[4668]: E0104 19:00:50.396306 04668 network.go:53] Failed to retrieve network config: client: etcd cluster is unavailable or misconfigured
Jan 04 19:00:51 elite.dev flanneld[4668]: E0104 19:00:51.396451 04668 network.go:53] Failed to retrieve network config: client: etcd cluster is unavailable or misconfigured
Jan 04 19:00:52 elite.dev flanneld[4668]: E0104 19:00:52.396572 04668 network.go:53] Failed to retrieve network config: client: etcd cluster is unavailable or misconfigured
Jan 04 19:00:53 elite.dev flanneld[4668]: E0104 19:00:53.396701 04668 network.go:53] Failed to retrieve network config: client: etcd cluster is unavailable or misconfigured
Jan 04 19:00:54 elite.dev flanneld[4668]: E0104 19:00:54.396855 04668 network.go:53] Failed to retrieve network config: client: etcd cluster is unavailable or misconfigured
Jan 04 19:00:55 elite.dev flanneld[4668]: E0104 19:00:55.396992 04668 network.go:53] Failed to retrieve network config: client: etcd cluster is unavailable or misconfigured
```
* Updated Flanneld configuration example for node (same as for master);