Prepare release 2.2.0

README.md

@@ -777,6 +777,9 @@ development effort if the features aren't useful to my employer.
 
 ## Release Notes
 
+### 2.2.0
+  * Add support to configure the krb5 module
+
 ### 2.1.4
   * Fix compatibility with Puppet 4
 

metadata.json

 {
   "name": "jgazeley-freeradius",
-  "version": "2.1.4",
+  "version": "2.2.0",
   "author": "jgazeley",
   "summary": "Install and configure FreeRADIUS",
   "license": "Apache-2.0",