admin: refactor templates and delete some show pages for Center, Scope, User, UserJob, PermissionsGroup

src/Bundle/ChillMainBundle/Resources/views/User/index.html.twig

@@ -1,6 +1,6 @@
-{% extends '@ChillMain/Admin/Permission/layout_crud_permission_index.html.twig' %}
+{% extends '@ChillMain/Admin/layoutWithVerticalMenu.html.twig' %}
 
-{% block admin_content -%}
+{% block admin_content %}
 
     <h1>{{"Users"|trans}}</h1>
     {% for entity in entities %}
@@ -60,6 +60,9 @@
     {{ chill_pagination(paginator) }}
 
     <ul class="record_actions sticky-form-buttons">
+        <li class='cancel'>
+            <a href="{{ path('chill_main_admin_central') }}" class="btn btn-cancel">{{'Back to the admin'|trans}}</a>
+        </li>
         <li>
             <a href="{{ path('chill_crud_admin_user_new') }}" class="btn btn-create">{{ 'Create'|trans }}</a>
         </li>