Pages: Use subdomain instead of the current scope

Scope is too long and too similar.
It is easier to only display the current subdomain
which should come from the app id. It is an hackish way to
hide scopes while making it look like an app.

gadget/gadget_cribjs_header.js

@@ -96,7 +96,8 @@
       if (gadget.stats.scope) {
         scope_link = gadget.props.element.querySelector(".crib-scope");
         scope_link.href = gadget.stats.scope;
-        scope_link.innerHTML = "Site: " + gadget.stats.scope;
+        scope_link.innerHTML = "App: " +
+          gadget.stats.scope.split("//")[1].split(".")[0];
       }
       gadget.stats.options = options;
       page_list.forEach(function (page) {

gadget/gadget_cribjs_page_app_list.js

@@ -59,7 +59,10 @@
               domsugar("div", {class: "caption"}, [
                 domsugar("h3", {text: app_list[i].application_title}),
                 domsugar("p", [
-                  domsugar("a", {href: tmp_url, text: tmp_url}),
+                  domsugar("a", {
+                    href: tmp_url,
+                    text: tmp_url.split("//")[1].split(".")[0]
+                   }),
                   ]),
                 domsugar("a", {href: url_list[i][1], class:"btn btn-default",
                                role:"button", text:"⏬", title: "Download"}),

gadget/gadget_cribjs_page_editor.js

@@ -196,7 +196,8 @@
             .querySelector("a.url-list-scope");
           gadget.props.scope = result_list[1];
           url_list_scope_link.href = gadget.props.scope;
-          url_list_scope_link.innerHTML = gadget.props.scope;
+          url_list_scope_link.innerHTML = gadget.props.scope
+            .split("//")[1].split(".")[0];
           return gadget.props.start_deferred.resolve();
         });
     })

gadget/gadget_cribjs_page_url_list.js

@@ -24,7 +24,7 @@
       url_list_scope_link = gadget.props.element
         .querySelector("a.url-list-scope");
       url_list_scope_link.href = scope;
-      url_list_scope_link.innerHTML = scope;
+      url_list_scope_link.innerHTML = scope.split("//")[1].split(".")[0];
       if (data.hasOwnProperty("urls")) {
         tmp_url_list = data.urls;
       } else {