AppManager: improve installation status page

* Status is refreshed in the background
* Render release item infos instead of internal names

Change-Id: I63a6082656e4e6772a4b5c734c5dd5c23141f70b
diff --git a/core/installer/welcome/appmanager-tmpl/index.html b/core/installer/welcome/appmanager-tmpl/index.html
index 8916a9e..356dc28 100644
--- a/core/installer/welcome/appmanager-tmpl/index.html
+++ b/core/installer/welcome/appmanager-tmpl/index.html
@@ -1,6 +1,6 @@
 {{ define "header" }}
   <form class="search-bar">
-      <input type="search" placeholder="Search" />
+      <input name="search" type="search" placeholder="Search" />
   </form>
 {{ end }}