fix(roles): Added empty descriptions to built-in roles

Author: jezhiggins

lib/actions/blueprint.js

@@ -103,10 +103,12 @@ class Blueprint {
     if (includeBuiltin) {
       roles.unshift({
         name: '$everyone',
-        label: 'Everyone'
+        label: 'Everyone',
+        description: ''
       }, {
         name: '$authenticated',
-        label: 'Logged in users'
+        label: 'Logged in users',
+        description: ''
       })
     } // if ...