MDL-31830 course: management interface fixes as noted

* Fixed the highlighing of the default category when no categories have been selected.
* Fixed the bug preventing the action menu for AJAX loaded categories from functioning.
* Repositioned course idnumber infront of course actions.
* Fixed display of moveup on first item and movedown on last item (courses and categories)
* Fixed up resort selected categories string.

theme/base/style/course.css

@@ -289,7 +289,9 @@ input.titleeditor { width: 330px; vertical-align: text-bottom; }
 #course-category-listings .listitem > div .item-actions .action-show,
 #course-category-listings .listitem[data-visible="0"] > div .item-actions .action-hide,
 #course-category-listings .listitem[data-visible="0"] > ul .item-actions.category-item-actions .action-hide,
-#course-category-listings .listitem[data-visible="0"] > ul .item-actions.category-item-actions .action-show {display: none;}
+#course-category-listings .listitem[data-visible="0"] > ul .item-actions.category-item-actions .action-show,
+#course-category-listings .listitem:first-child > div .item-actions .action-moveup,
+#course-category-listings .listitem:last-child > div .item-actions .action-movedown {display: none;}
 
 #course-listing li > div {padding-left:1em;}
 

theme/bootstrapbase/less/moodle/course.less

@@ -806,6 +806,10 @@ span.editinstructions {
                 }
             }
         }
+        &:first-child > div .item-actions .action-moveup,
+        &:last-child > div .item-actions .action-movedown {
+            display: none;
+        }
     }
 
     #course-listing {