Added 2.2.0

Author: MattDMo

messages.json

@@ -5,5 +5,6 @@
   "1.3.1": "messages/1.3.1.txt",
   "1.4.2": "messages/1.4.2.txt",
   "2.0.1": "messages/2.0.0.txt",
-  "2.1.1": "messages/2.1.0.txt"
+  "2.1.1": "messages/2.1.0.txt",
+  "2.2.0": "messages/2.2.0.txt"
 }