Move js attaching from install_done template to controller

src/mibew/libs/classes/Mibew/Controller/InstallController.php

@@ -321,6 +321,8 @@ class InstallController extends AbstractController
             array($login_url)
         );
 
+        $this->getAssetManager()->attachJs('js/compiled/soundcheck.js');
+
         return $this->renderStep(
             'install_done',
             array('loginLink' => $login_link)

src/mibew/styles/pages/default/templates_src/server_side/install_done.handlebars

@@ -1,9 +1,4 @@
 {{#extends "install_step"}}
-
-    {{#override "head"}}
-        <script type="text/javascript" language="javascript" src="{{asset "js/compiled/soundcheck.js"}}"></script>
-    {{/override}}
-
     {{#override "nextStep"}}
         <br />
         <b>{{l10n "Application installed successfully."}}</b> {{{loginLink}}}