[docs,app,demos/multiview][m]: convert app back to being a demo of multiview (app proper is now in dataexplorer repo).

demos/multiview/index.html

@@ -0,0 +1,24 @@
+---
+layout: container
+title: Demos - Multiview
+recline-deps: true
+root: ../../
+---
+
+<style type="text/css">
+.recline-slickgrid {
+  height: 450px;
+}
+
+.recline-timeline .vmm-timeline {
+  height: 450px;
+}
+</style>
+
+<div class="data-explorer-here"></div>
+
+<div style="clear: both;"></div>
+
+<script type="text/javascript" src="{{page.root}}/test/base.js"></script>
+<script type="text/javascript" src="app.js"></script>
+