expand product info to MVC view; closes #1446

There is still some glue in the product info that is irrelevant
to the product.  Will be removed eventually.

src/opnsense/mvc/app/controllers/OPNsense/Base/ControllerBase.php

@@ -221,6 +221,11 @@ class ControllerBase extends ControllerRoot
             $this->view->ui_theme = $cnf->object()->theme;
         }
 
+        $product_vars = json_decode(file_get_contents('/usr/local/opnsense/firmware-product'), true);
+        foreach ($product_vars as $product_key => $product_var) {
+            $this->view->$product_key = $product_var;
+        }
+
         // info about the current user and box
         $this->view->session_username = !empty($_SESSION['Username']) ? $_SESSION['Username'] : '(unknown)';
         $this->view->system_hostname = $cnf->object()->system->hostname;

src/opnsense/mvc/app/views/layouts/default.volt

@@ -250,7 +250,9 @@
         <!-- page footer -->
     <footer class="page-foot col-sm-push-3 col-lg-push-2">
       <div class="container-fluid">
-        <a target="_blank" href="https://opnsense.org/" class="redlnk">OPNsense</a> (c) 2014-2017 <a href="https://www.deciso.com" class="tblnk">Deciso B.V.</a>
+        <a target="_blank" href="{{ product_website }}" class="redlnk">{{ product_name }}</a>
+        (c) {{ product_copyright_years }}
+        <a href="{{ product_copyright_url }}" class="tblnk">{{ product_copyright_owner }}</a>
       </div>
     </footer>