update the master branch to the latest

src/components/table/header.js

@@ -0,0 +1,16 @@
+export default {
+    name: 'TableRenderHeader',
+    functional: true,
+    props: {
+        render: Function,
+        column: Object,
+        index: Number
+    },
+    render: (h, ctx) => {
+        const params = {
+            column: ctx.props.column,
+            index: ctx.props.index
+        };
+        return ctx.props.render(h, params);
+    }
+};