batch replace grid- (scratch) by col- (bootstrap)

hand replace
* push- by offset-
* no-gutter by g-0

add breakpoints md- and sm-

src/Bundle/ChillTaskBundle/Resources/views/SingleTask/index.html.twig

@@ -35,7 +35,7 @@
     {% endblock %}
 {% else %}
     {% block content %}
-        <div class="grid-8 push-1 grid-mobile-9 grid-tablet-9 push-mobile-0 push-tablet-0">
+        <div class="col-8 col-md-9 offset-md-1">
             {% include 'ChillTaskBundle:SingleTask:_list.html.twig' %}
         </div>
     {% endblock %}