[Common UI] Initial commonUI bundles

Bring in work on general-purpose and over-arching
user interface bundles from the sandbox transition
branch. WTD-574.

platform/commonUI/edit/src/capabilities/EditablePersistenceCapability.js

@@ -0,0 +1,30 @@
+/*global define*/
+
+/**
+ * Editable Persistence Capability. Overrides the persistence capability
+ * normally exhibited by a domain object to ensure that changes made
+ * during edit mode are not immediately stored to the database or other
+ * backing storage.
+ */
+define(
+    function () {
+        'use strict';
+
+        return function EditablePersistenceCapability(
+            persistenceCapability,
+            editableObject,
+            domainObject,
+            cache
+        ) {
+            var persistence = Object.create(persistenceCapability);
+
+            // Simply trigger refresh of in-view objects; do not
+            // write anything to database.
+            persistence.persist = function () {
+                cache.markDirty(editableObject);
+            };
+
+            return persistence;
+        };
+    }
+);