Assorted renaming and string changes

tools/elastic/README.md

@@ -95,7 +95,7 @@ and
     "LOG_AGGREGATOR_TCP_TIMEOUT": 5
 }
 ```
-These can be entered via Configure-Tower-in-Tower by making a POST to
+These can be entered via the settings endpoint by making a POST to
 `/api/v2/settings/logging/`.
 
 ### Connecting Logstash to 3rd Party Receivers

tools/elastic/docker-compose.logstash-link-cluster.yml

@@ -1,7 +1,7 @@
 ---
 version: '2'
 services:
-  # Tower Development Cluster
+  # AWX Development Cluster
   tower_1:
     links:
       - logstash