Fix links to user pages on dashboard

app/assets/javascripts/admin/helpers/admin_user_helpers.js

@@ -0,0 +1,12 @@
+/**
+  Return the url to a user's admin page given the username.
+  For example:
+
+    <a href="{{unbound adminUserPath username}}">{{unbound username}}</a>
+
+  @method adminUserPath
+  @for Handlebars
+**/
+Handlebars.registerHelper('adminUserPath', function(username) {
+  return Discourse.getURL("/admin/users/") + Ember.Handlebars.get(this, username);
+});

app/assets/javascripts/admin/templates/dashboard.js.handlebars

@@ -230,7 +230,7 @@
         {{#each top_referrers.data}}
           <tbody>
             <tr>
-              <td class="title">{{#linkTo adminUser username}}{{username}}{{/linkTo}}</td>
+              <td class="title"><a href="{{unbound adminUserPath username}}">{{unbound username}}</a></td>
               <td class="value">{{num_clicks}}</td>
               <td class="value">{{num_topics}}</td>
             </tr>