Cloudstor docs (docker#2520)

* Clarify rg-name and rg-region are optional for EE

* fix cloudstor documentation to align with the plugin alias that is used

Author: ddebroy

docker-for-aws/persistent-data-volumes.md

@@ -17,18 +17,16 @@ After creating a swarm on Docker for AWS and connecting to any manager using SSH
 ```bash
 $ docker plugin ls
 ID                  NAME                        DESCRIPTION                       ENABLED
-f416c95c0dcc        docker4x/cloudstor:aws-v{{ edition_version }}   cloud storage plugin for Docker   true
+f416c95c0dcc        cloudstor:aws               cloud storage plugin for Docker   true
 ```
 
-**Note**: Make note of the plugin tag name, because it will change between versions, and yours may be different then listed here.
-
 The following examples show how to create swarm services that require data persistence using the --mount flag and specifying Cloudstor as the driver.
 
 ### Share the same volume between tasks:
 
 ```bash
 docker service create --replicas 5 --name ping1 \
-    --mount type=volume,volume-driver=docker4x/cloudstor:aws-v{{ edition_version }},source=sharedvol1,destination=/shareddata \
+    --mount type=volume,volume-driver=cloudstor:aws,source=sharedvol1,destination=/shareddata \
     alpine ping docker.com
 ```
 
@@ -41,7 +39,7 @@ With the above example, you can make sure that the volume is indeed shared by lo
 ```bash
 {% raw %}
 docker service create --replicas 5 --name ping2 \
-    --mount type=volume,volume-driver=docker4x/cloudstor:aws-v{{ edition_version }},source={{.Service.Name}}-{{.Task.Slot}}-vol,destination=/mydata \
+    --mount type=volume,volume-driver=cloudstor:aws,source={{.Service.Name}}-{{.Task.Slot}}-vol,destination=/mydata \
     alpine ping docker.com
 {% endraw %}
 ```

docker-for-azure/persistent-data-volumes.md

@@ -17,18 +17,16 @@ After creating a swarm on Docker for Azure and connecting to any manager using S
 ```bash
 $ docker plugin ls
 ID                  NAME                        DESCRIPTION                       ENABLED
-f416c95c0dcc        docker4x/cloudstor:azure-v{{ edition_version }}   cloud storage plugin for Docker   true
+f416c95c0dcc        cloudstor:azure             cloud storage plugin for Docker   true
 ```
 
-**Note**: Make note of the plugin tag name, because it will change between versions, and yours may be different then listed here.
-
 The following examples show how to create swarm services that require data persistence using the --mount flag and specifying Cloudstor as the driver.
 
 ### Share the same volume between tasks:
 
 ```bash
 docker service create --replicas 5 --name ping1 \
-    --mount type=volume,volume-driver=docker4x/cloudstor:azure-v{{ edition_version }},source=sharedvol1,destination=/shareddata \
+    --mount type=volume,volume-driver=cloudstor:azure,source=sharedvol1,destination=/shareddata \
     alpine ping docker.com
 ```
 
@@ -41,7 +39,7 @@ With the above example, you can make sure that the volume is indeed shared by lo
 ```bash
 {% raw %}
 docker service create --replicas 5 --name ping2 \
-    --mount type=volume,volume-driver=docker4x/cloudstor:azure-v{{ edition_version }},source={{.Service.Name}}-{{.Task.Slot}}-vol,destination=/mydata \
+    --mount type=volume,volume-driver=cloudstor:azure,source={{.Service.Name}}-{{.Task.Slot}}-vol,destination=/mydata \
     alpine ping docker.com
 {% endraw %}
 ```