initial commit of the new template 'oscar'

* base.html mostly implemented
* stats.html implemented
* about.html implemented
* most of preferences.html implemented
* using bootstrap.js

searx/webapp.py

@@ -174,6 +174,8 @@ def render(template_name, override_theme=None, **kwargs):
     kwargs['url_for'] = url_for_theme
 
     kwargs['theme'] = get_current_theme_name(override=override_theme)
+    
+    kwargs['template_name'] = template_name
 
     return render_template(
         '{}/{}'.format(kwargs['theme'], template_name), **kwargs)