Change auth.mode setting in prior versions

Author: erjohnson

content/riak/kv/2.0.0/using/admin/riak-control.md

@@ -122,7 +122,7 @@ HTTP basic auth) for users of the web interface. It is disabled by
 default. To enable authentication:
 
 ```riakconf
-riak_control.auth.mode = on
+riak_control.auth.mode = userlist
 ```
 
 ```appconfig

content/riak/kv/2.0.1/using/admin/riak-control.md

@@ -122,7 +122,7 @@ HTTP basic auth) for users of the web interface. It is disabled by
 default. To enable authentication:
 
 ```riakconf
-riak_control.auth.mode = on
+riak_control.auth.mode = userlist
 ```
 
 ```appconfig

content/riak/kv/2.0.2/using/admin/riak-control.md

@@ -121,7 +121,7 @@ HTTP basic auth) for users of the web interface. It is disabled by
 default. To enable authentication:
 
 ```riakconf
-riak_control.auth.mode = on
+riak_control.auth.mode = userlist
 ```
 
 ```appconfig

content/riak/kv/2.0.4/using/admin/riak-control.md

@@ -122,7 +122,7 @@ HTTP basic auth) for users of the web interface. It is disabled by
 default. To enable authentication:
 
 ```riakconf
-riak_control.auth.mode = on
+riak_control.auth.mode = userlist
 ```
 
 ```appconfig

content/riak/kv/2.0.5/using/admin/riak-control.md

@@ -122,7 +122,7 @@ HTTP basic auth) for users of the web interface. It is disabled by
 default. To enable authentication:
 
 ```riakconf
-riak_control.auth.mode = on
+riak_control.auth.mode = userlist
 ```
 
 ```appconfig

content/riak/kv/2.0.6/using/admin/riak-control.md

@@ -122,7 +122,7 @@ HTTP basic auth) for users of the web interface. It is disabled by
 default. To enable authentication:
 
 ```riakconf
-riak_control.auth.mode = on
+riak_control.auth.mode = userlist
 ```
 
 ```appconfig

content/riak/kv/2.0.7/using/admin/riak-control.md

@@ -122,7 +122,7 @@ HTTP basic auth) for users of the web interface. It is disabled by
 default. To enable authentication:
 
 ```riakconf
-riak_control.auth.mode = on
+riak_control.auth.mode = userlist
 ```
 
 ```appconfig

content/riak/kv/2.1.1/using/admin/riak-control.md

@@ -122,7 +122,7 @@ HTTP basic auth) for users of the web interface. It is disabled by
 default. To enable authentication:
 
 ```riakconf
-riak_control.auth.mode = on
+riak_control.auth.mode = userlist
 ```
 
 ```appconfig

content/riak/kv/2.1.3/using/admin/riak-control.md

@@ -122,7 +122,7 @@ HTTP basic auth) for users of the web interface. It is disabled by
 default. To enable authentication:
 
 ```riakconf
-riak_control.auth.mode = on
+riak_control.auth.mode = userlist
 ```
 
 ```appconfig