Fix typo AMQP_HOST -> AMQP_SERVER. AMQP_SERVER will be replaced with AMQP_HOST

in carrot 0.8.0, but will still be supported. AMQP_SERVER will be completely
removed from carrot in 1.0.0

FAQ

@@ -186,7 +186,7 @@ Use the following specific settings in your ``settings.py``:
     CARROT_BACKEND = "stomp"
 
     # STOMP hostname and port settings.
-    AMQP_HOST = "localhost"
+    AMQP_SERVER = "localhost"
     AMQP_PORT = 61613
 
     # The queue name to use (both queue and exchange must be set to the

docs/configuration.rst

@@ -24,7 +24,7 @@ it should contain all you need to run a basic celery set-up.
     DATABASE_ENGINE = "sqlite3"
     DATABASE_NAME = "mydatabase.db"
 
-    AMQP_HOST = "localhost"
+    AMQP_SERVER = "localhost"
     AMQP_PORT = 5672
     AMQP_VHOST = "/"
     AMQP_USER = "guest"