Add frontend assets and plugin bundles

Add the legacy frontend themes, scripts, and plugin assets required by the main SPOTA interfaces.

assets/js/ui-nestable.js

@@ -0,0 +1,43 @@
+var UINestable = function () {
+    //function to initiate jquery.nestable
+    var updateOutput = function (e) {
+        var list = e.length ? e : $(e.target),
+            output = list.data('output');
+        if (window.JSON) {
+            output.val(window.JSON.stringify(list.nestable('serialize')));
+            //, null, 2));
+        } else {
+            output.val('JSON browser support required for this demo.');
+        }
+    };
+    var runNestable = function () {
+        // activate Nestable for list 1
+        $('#nestable').nestable({
+            group: 1
+        }).on('change', updateOutput);
+        // activate Nestable for list 2
+        $('#nestable2').nestable({
+            group: 1
+        }).on('change', updateOutput);
+        // output initial serialised data
+        updateOutput($('#nestable').data('output', $('#nestable-output')));
+        updateOutput($('#nestable2').data('output', $('#nestable2-output')));
+        $('#nestable-menu').on('click', function (e) {
+            var target = $(e.target),
+                action = target.data('action');
+            if (action === 'expand-all') {
+                $('.dd').nestable('expandAll');
+            }
+            if (action === 'collapse-all') {
+                $('.dd').nestable('collapseAll');
+            }
+        });
+        $('#nestable3').nestable();
+    };
+    return {
+        //main function to initiate template pages
+        init: function () {
+            runNestable();
+        }
+    };
+}();