clear pages cache on column move/remove

build/js/ox.ui.js

@@ -6558,7 +6558,7 @@ requires
                 $.each(self.visibleColumns, function(i, column) {
                     if (ids.indexOf(column.id) == -1) {
                         removeColumn(column.id);
-                        return false
+                        return false;
                     }
                 });
             }
@@ -6679,7 +6679,7 @@ requires
                     return self.columnOffsets[i] - self.columnOffsets[startPos]
                 });
             $('.OxColumn' + Ox.toTitleCase(id)).css({
-                opacity: 0.1
+                opacity: 0.25
             });
             that.$titles[startPos].addClass('OxDrag').css({ // fixme: why does the class not work?
                 cursor: 'move'
@@ -6724,6 +6724,7 @@ requires
             that.$titles[stopPos].removeClass('OxDrag').css({
                 cursor: 'pointer'
             });
+            that.$body.clearCache();
         }
 
         function getColumnIndexById(id) {
@@ -6808,6 +6809,7 @@ requires
                     return v.id;
                 })
             });
+            that.$body.clearCache();
         }
 
         function resize() {