Fixed button DocumentActionsButtonsGroup display bug

- improve document table
- add a smallfont css classe to handle table style
when called from index or from show page

src/Bundle/ChillPersonBundle/Resources/public/chill/scss/accompanying_period_work.scss

@@ -20,9 +20,6 @@ div.accompanying-course-work {
                 margin: 0;
             }
         }
-        td {
-            font-size: 85%;
-        }
         td.obj,
         td.res {
             width: 50%;
@@ -37,6 +34,10 @@ div.accompanying-course-work {
         }
     }
 
+    .smallfont table.obj-res-eval td {
+        font-size: 85%;
+    }
+
     ul {
         &.goal_title,
         &.result_list,