added about page with links to external pages and content panel

data/about.json

@@ -10,7 +10,13 @@
       "title_i18n": "global_dict.about",
       "theme": "slapos-white",
       "view_dict": {
-        "default": []
+        "default": [
+          {
+            "generate": "gadget",
+            "type": "content",
+            "href": "content_overview"
+          }
+        ]
       }
     }
   ]

js/erp5_loader.js

@@ -2795,6 +2795,30 @@
       return target;
     },
 
+    /**
+     * Create a content gadget
+     * @method content
+     * Create listbox table
+     * @method listbox
+     * @param {object} spec Configuration of this gadget
+     * @param {object} answer Dynamic data from storage
+     * @param {object} field_dict Field Definition for underlying portal type
+     * @param {boolean} update Update or create the gadget
+     * @param {object} url_pointer indicates layout used
+    * @return {object} fragment
+    **/
+    "content": function (spec, answer, field_dict, update, url_pointer) {
+      var i, element, container;
+
+      container = document.createDocumentFragment();
+
+      for (i = 0; i < spec.children.length; i += 1) {
+        element = spec.children[i];
+        container.appendChild(app.setContent(element, {}, update));
+      }
+      return container;
+    },
+
     /**
      * Create listbox table
      * @method listbox

lang/en-EN/dict.json

@@ -49,7 +49,8 @@
     "slapos_pricing": "SlapOS Pricing",
     "sign_in": "Sign in using",
     "pricing_login": "To maintain sufficient resources, a minimal fee of 1 EUR will be charged if you use SlapOS services for more than 24 hours. By clicking on one of the signup buttons, you agree that you are subscribing to a payable service. All services you request will be invoiced to you at the end of the month.",
-    "find_out_more": "To find out more, please refer to:"
+    "find_out_more": "To find out more, please refer to:",
+    "find_out_more_details": "For additional information, please refer to the following sections:"
   },
   "status_dict": {
     "ssl_error": "Please revoke existing certificate first",