Update bootstrap-table.js

For backward compatibility, use "unlimited" instead of "all".

src/bootstrap-table.js

@@ -1382,7 +1382,7 @@
 
                 pageList = [];
                 $.each(list, function (i, value) {
-                    pageList.push((value.toUpperCase() === that.options.formatAllRows().toUpperCase() || value.toUpperCase() === "ALL") ?
+                    pageList.push((value.toUpperCase() === that.options.formatAllRows().toUpperCase() || value.toUpperCase() === "UNLIMITED") ?
                         that.options.formatAllRows() : +value);
                 });
             }