Add card - visible column option

src/bootstrap-table.js

@@ -301,7 +301,8 @@
         events: undefined,
         sorter: undefined,
         cellStyle: undefined,
-        searchable: true
+        searchable: true,
+        cardVisible: true
     };
 
     BootstrapTable.EVENTS = {
@@ -443,6 +444,12 @@
                 return;
             }
 
+            if (this.options.cardView) {
+                if (!column.cardVisible) {
+                    return;
+                }
+            }
+
             halign = sprintf('text-align: %s; ', column.halign ? column.halign : column.align);
             align = sprintf('text-align: %s; ', column.align);
             style = sprintf('vertical-align: %s; ', column.valign);