Upgrade auth plugin

Author: Rita-C

build.gradle

@@ -101,7 +101,7 @@ dependencies {
     runtime "org.grails.plugins:ala-bootstrap3:3.2.3", noCache
     compile "org.grails.plugins:ala-ws-security-plugin:2.0", noCache
     compile "org.grails.plugins:ala-ws-plugin:2.0", noCache
-    compile "org.grails.plugins:ala-auth:3.1.0", noCache
+    compile "org.grails.plugins:ala-auth:3.1.3", noCache
     compile "org.grails.plugins:ala-admin-plugin:2.1"
     //compile 'au.org.ala:userdetails-service-client:1.4.0' // TODO remove this line once updated version is included in ala-auth