added app version to gsp

Author: temi

grails-app/views/layouts/_custom-top.gsp

@@ -4,7 +4,7 @@
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
     <meta http-equiv="Pragma" content="no-cache">
     <meta http-equiv="Expires" content="-1">
-    <meta name="app.version" content="${g.meta(name: 'app.version')}"/>
+    <meta name="app.version" content="${g.meta(name: 'info.app.version')}"/>
     <meta name="app.build" content="${g.meta(name: 'app.build')}"/>
     <meta name="description" content="Atlas of Living Australia"/>
     <meta name="author" content="Atlas of Living Australia">