Added more notes about feature requirements

Author: rrehbein

DependencyInjection/Configuration.php

@@ -53,7 +53,7 @@ protected function addConnections(ArrayNodeDefinition $node)
                             ->scalarNode('password')->defaultValue('guest')->end()
                             ->scalarNode('vhost')->defaultValue('/')->end()
                             ->booleanNode('lazy')->defaultFalse()->end()
-                            ->booleanNode('keepalive')->defaultFalse()->info('requires php-amqplib v2.4.1+')->end()
+                            ->booleanNode('keepalive')->defaultFalse()->info('requires php-amqplib v2.4.1+ and PHP5.4+')->end()
                             ->scalarNode('heartbeat')->defaultValue(0)->info('requires php-amqplib v2.4.1+')->end()
                         ->end()
                     ->end()

README.md

@@ -115,18 +115,18 @@ Add the `old_sound_rabbit_mq` section in your configuration file:
 old_sound_rabbit_mq:
     connections:
         default:
-            host:      'localhost'
-            port:      5672
-            user:      'guest'
-            password:  'guest'
-            vhost:     '/'
-            lazy:      false
+            host:     'localhost'
+            port:     5672
+            user:     'guest'
+            password: 'guest'
+            vhost:    '/'
+            lazy:     false
 
-            # requires php-amqplib v2.4.1+
-            keepalive:            false
+            # requires php-amqplib v2.4.1+ and PHP5.4+
+            keepalive: false
 
             # requires php-amqplib v2.4.1+
-            heartbeat:            0
+            heartbeat: 0
     producers:
         upload_picture:
             connection:       default