Fix names in documentation (#7940)

* Fix names in documentation

This fixes the documentation to reflect the name change from
`nginx-ingress` to `ingress-nginx`.

Signed-off-by: Reinhard Nägele <unguiculus@gmail.com>

* Revert accidental changelog update

Signed-off-by: Reinhard Nägele <unguiculus@gmail.com>

docs/user-guide/cli-arguments.md

@@ -2,7 +2,7 @@
 
 The following command line arguments are accepted by the Ingress controller executable.
 
-They are set in the container spec of the `nginx-ingress-controller` Deployment manifest
+They are set in the container spec of the `ingress-nginx-controller` Deployment manifest
 
 | Argument | Description |
 |----------|-------------|

docs/user-guide/convert_arguments_to_doc.py

@@ -15,7 +15,7 @@
 # limitations under the License.
 
 """
-Convert the output of `nginx-ingress-controller --help` to
+Convert the output of `ingress-nginx-controller --help` to
 a Markdown table.
 """
 

docs/user-guide/multiple-ingress.md

@@ -16,7 +16,7 @@ spec:
   template:
      spec:
        containers:
-         - name: nginx-ingress-internal-controller
+         - name: ingress-nginx-internal-controller
            args:
              - /nginx-ingress-controller
              - '--controller-class=k8s.io/internal-ingress-nginx'
@@ -98,7 +98,7 @@ spec:
   template:
      spec:
        containers:
-         - name: nginx-ingress-internal-controller
+         - name: ingress-nginx-internal-controller
            args:
              - /nginx-ingress-controller
              - --ingress-class=internal-nginx

docs/user-guide/tls.md

@@ -123,7 +123,7 @@ spec:
 
 To provide the most secure baseline configuration possible,
 
-nginx-ingress defaults to using TLS 1.2 and 1.3 only, with a [secure set of TLS ciphers][ssl-ciphers].
+ingress-nginx defaults to using TLS 1.2 and 1.3 only, with a [secure set of TLS ciphers][ssl-ciphers].
 
 ### Legacy TLS
 
@@ -131,7 +131,7 @@ The default configuration, though secure, does not support some older browsers a
 
 For instance, TLS 1.1+ is only enabled by default from Android 5.0 on. At the time of writing,
 May 2018, [approximately 15% of Android devices](https://developer.android.com/about/dashboards/#Platform)
-are not compatible with nginx-ingress's default configuration.
+are not compatible with ingress-nginx's default configuration.
 
 To change this default behavior, use a [ConfigMap][ConfigMap].