Merge pull request #1082 from ably/meta-action

Rename action META_OCCUPANCY->META

Author: SimonWoolf

lib/src/main/java/io/ably/lib/types/MessageAction.java

@@ -4,7 +4,7 @@ public enum MessageAction {
     MESSAGE_CREATE, // 0
     MESSAGE_UPDATE, // 1
     MESSAGE_DELETE, // 2
-    META_OCCUPANCY, // 3
+    META, // 3
     MESSAGE_SUMMARY; // 4
 
     static MessageAction tryFindByOrdinal(int ordinal) {