added Unspecified license option

helpers/publishHelpers.js

@@ -123,7 +123,7 @@ module.exports = {
     }
     // provide default for license
     if (license === null || license.trim() === '') {
-      license = 'All Rights Reserved';
+      license = ' ';  // default to empty string
     }
     // create the publish params
     const publishParams = {

views/partials/publishForm-Details.handlebars

@@ -20,6 +20,7 @@
             <label for="publish-license" class="label">License:</label>
         </div><div class="column column--7 column--sml-10">
             <select type="text" id="publish-license" class="select select--primary">
+                <option value=" ">Unspecified</option>
                 <option value="Public Domain">Public Domain</option>
                 <option value="Creative Commons">Creative Commons</option>
             </select>