README updates

deps/rabbitmq_auth_backend_http/README.md

@@ -5,72 +5,58 @@ authentication (determining who can log in) and authorisation
 (determining what permissions they have) by making requests to an HTTP
 server.
 
-As with all authentication plugins, this one requires rabbitmq-server
+As with all [authentication plugins](http://rabbitmq.com/access-control.html), this one requires RabbitMQ server
 2.3.1 or later.
 
 Note: it's at an early stage of development, although it's
 conceptually very simple.
 
-# Downloading
+## Downloading
 
 You can download a pre-built binary of this plugin from
-http://www.rabbitmq.com/community-plugins.html.
+the [Community Plugins page](http://www.rabbitmq.com/community-plugins.html).
 
-# Building
+## Building
 
 You can build and install it like any other plugin (see
 [the plugin development guide](http://www.rabbitmq.com/plugin-development.html)).
 
 This plugin depends on the Erlang client (just to grab a URI parser).
 
-# Enabling the plugin
+## Enabling the plugin
 
 To enable the plugin, set the value of the `auth_backends` configuration item
 for the `rabbit` application to include `rabbit_auth_backend_http`.
 `auth_backends` is a list of authentication providers to try in order.
 
-So a configuration fragment that enables this plugin *only* would look like:
+See the [Access Control guide](http://rabbitmq.com/access-control.html) for more information.
 
-For `rabbitmq.conf`:
+To use this backend exclusively, use the following snippet in `rabbitmq.conf` (currently
+in master)
 
     auth_backends.1 = http
 
-For `rabbitmq.config` (prior to 3.7.0) or `advanced.config`:
+Or, in the classic config format (`rabbitmq.config`, prior to 3.7.0) or `advanced.config`:
 
     [{rabbit, [{auth_backends, [rabbit_auth_backend_http]}]}].
 
-to use only HTTP, or:
+See [RabbitMQ Configuration guide](http://www.rabbitmq.com/configure.html) for more detail
-
-For `rabbitmq.conf`:
-    
-    auth_backends.1 = http
-    auth_backends.2 = internal
-
-For `rabbitmq.config` (prior to 3.7.0) or `advanced.config`:
-
-    [{rabbit,
-      [{auth_backends, [rabbit_auth_backend_http, rabbit_auth_backend_internal]}]
-     }].
-
-to try the HTTP plugin first and then fall back to the internal database.
-
-See http://www.rabbitmq.com/configure.html#configuration-file for more detail
 on `auth_backends`.
 
-# Configuring the plugin
+## Configuring the Plugin
 
 You need to configure the plugin to know which URIs to point at.
 
-A minimal configuration file might look like:
+Below is a minimal configuration file example.
 
-For `rabbitmq.conf`:
+In `rabbitmq.conf` (currently RabbitMQ master):
     
     auth_backends.1 = http
     http.user_path     = http://some-server/auth/user
     http.vhost_path    = http://some-server/auth/vhost
     http.resource_path = http://some-server/auth/resource
 
-For `rabbitmq.config` (prior to 3.7.0) or `advanced.config`:
+In the classic config format (`rabbitmq.config` prior to 3.7.0 or `advanced.config`):
 
     [
       {rabbit, [{auth_backends, [rabbit_auth_backend_http]}]},
@@ -80,7 +66,7 @@ For `rabbitmq.config` (prior to 3.7.0) or `advanced.config`:
         {resource_path, "http://some-server/auth/resource"}]}
     ].
 
-# What must my web server do?
+# What Must My Web Server Do?
 
 This plugin requires that your web server respond to requests in a
 certain predefined format. It will make GET requests against the URIs
@@ -105,7 +91,7 @@ Note that you cannot create arbitrary virtual hosts using this plugin; you can o
 * `vhost`      - the name of the virtual host containing the resource
 * `resource`   - the type of resource (`exchange`, `queue`)
 * `name`       - the name of the resource
-* `permission` - the access level to the resource (`configure`, `write`, `read`) - see [the admin guide](http://www.rabbitmq.com/access-control.html) for their meaning
+* `permission` - the access level to the resource (`configure`, `write`, `read`) - see [the Access Control guide](http://www.rabbitmq.com/access-control.html) for their meaning
 
 Your web server should always return HTTP 200 OK, with a body
 containing:
@@ -114,13 +100,13 @@ containing:
 * `allow` - allow access to the user / vhost / resource
 * `allow [list of tags]` - (for `user_path` only) - allow access, and mark the user as an having the tags listed
 
-# Debugging
+## Debugging
 
 Check the RabbitMQ logs if things don't seem to be working
 properly. Look for log messages containing "rabbit_auth_backend_http
 failed".
 
-# Example
+## Example App (in Python)
 
 In `examples/rabbitmq_auth_backend_django` there's a very simple
 Django app that can be used for authentication. On Debian / Ubuntu you