Merge pull request #121 from pusher/include-cluster-in-readme

Include cluster in README examples

Author: leesio

README.md

@@ -25,35 +25,27 @@ Creating a new Pusher `client` can be done as follows.
 
 ``` ruby
 pusher_client = Pusher::Client.new(
-  app_id: 'your-pusher-app-id',
-  key: 'your-pusher-key',
-  secret: 'your-pusher-secret'
+  app_id: 'your-app-id',
+  key: 'your-app-key',
+  secret: 'your-app-secret',
+  cluster: 'your-app-cluster',
 )
 ```
+The cluster value will set the `host` to `api-<cluster>.pusher.com`.
 
 If you want to set a custom `host` value for your client then you can do so when instantiating a Pusher client like so:
 
 ``` ruby
 pusher_client = Pusher::Client.new(
-  app_id: 'your-pusher-app-id',
-  key: 'your-pusher-key',
-  secret: 'your-pusher-secret',
-  host: 'your-pusher-host'
+  app_id: 'your-app-id',
+  key: 'your-app-key',
+  secret: 'your-app-secret',
+  host: 'your-app-host'
 )
 ```
 
-If you created your app in a different cluster to the default cluster, you must pass the `cluster` option as follows:
+If you pass both `host` and `cluster` options, the `host` will take precendence and `cluster` will be ignored.
 
-``` ruby
-pusher_client = Pusher::Client.new(
-  app_id: 'your-pusher-app-id',
-  key: 'your-pusher-key',
-  secret: 'your-pusher-secret',
-  cluster: 'your-app-cluster'
-)
-```
-
-This will set the `host` to `api-<cluster>.pusher.com`. If you pass both `host` and `cluster` options, the `host` will take precendence and `cluster` will be ignored.
 
 Finally, if you have the configuration set in an `PUSHER_URL` environment
 variable, you can use:
@@ -67,18 +59,13 @@ pusher_client = Pusher::Client.from_env
 Configuring Pusher can also be done globally on the Pusher class.
 
 ``` ruby
-Pusher.app_id = 'your-pusher-app-id'
-Pusher.key = 'your-pusher-key'
-Pusher.secret = 'your-pusher-secret'
-```
-
-If you created your app in a different cluster to the default cluster, you must set it as follows:
-
-``` ruby
+Pusher.app_id = 'your-app-id'
+Pusher.key = 'your-app-key'
+Pusher.secret = 'your-app-secret'
 Pusher.cluster = 'your-app-cluster'
 ```
 
-Global configuration will automatically be set from the `PUSHER_URL` environment variable if it exists. This should be in the form  `http://KEY:SECRET@api.pusherapp.com/apps/APP_ID`. On Heroku this environment variable will already be set.
+Global configuration will automatically be set from the `PUSHER_URL` environment variable if it exists. This should be in the form  `http://KEY:SECRET@HOST/apps/APP_ID`. On Heroku this environment variable will already be set.
 
 If you need to make requests via a HTTP proxy then it can be configured