Co-authored-by: Nick Jüttner <nick@juni.io>

* Updated with v0.8.0 details
* Document getting credentials via environment variables

Pod source is a key feature of kOps' DNS Controller.
Among other things, i is used for etcd and API discovery.

The new BlueCat provider uses the BlueCat API Gateway(REST API). Not
the legacy XML based BlueCat API.

https://github.com/bluecatlabs/gateway-workflows

Fixes:
- deprecated `--replicas` flag for `kubectl run` 
- `deployment` -> `pod`; `kubectl run` creates a `pod`

update README.md to include akamai provider changes
update CHANGEME.md to rename akamai-fastdns refs to akamai-edgedns
update Akamai tutorial name and content for updated functionality and tested scenarios.

Add instructions for using GKE workload identity to allow ExternalDNS
to authenticate against Google Cloud DNS APIs. Add blog link to
README.
Signed-off-by: David Dooling <dooling@gmail.com>

Signed-off-by: Patrik Cyvoct <patrik@ptrk.io>

v0.5 is no longer the latest version of ExternalDNS, and there is a
separate header for the current latest version (v0.7).

* intial removal of inappropriate terminology
Signed-off-by: Raffaele Di Fazio <raffo@github.com>

* removed other occurrences
Signed-off-by: Raffaele Di Fazio <raffo@github.com>

* gofmt
Signed-off-by: Raffaele Di Fazio <raffo@github.com>

* addresses comment
Signed-off-by: Raffaele Di Fazio <raffo@github.com>

* gofmt
Signed-off-by: Raffaele Di Fazio <raffo@github.com>

I've changed the URL to the blogpost mentioned in the `Readme.md`
I'm moving all my posts from medium to a personal hosted website. 

(same article, different url)

 - OVH Provider
 - Tests
 - Documentations

add documentation for kube-ingress-aws-controller and RouteGroup
Signed-off-by: Sandor Szücs <sandor.szuecs@zalando.de>

A demo app deployment with external-dns integration on Google Cloud Platform GKE cluster, featuring CloudDNS + User permission mapping