tutorial consistency . (#1079)

* [API] use new-style objects consistently

* rewrite todo tutorial in test-api.html

* [API] Add API doc, update object API

* [Tutorials] Rename tutorials, remove old

* Fix Links

* updates

* initial

* hope this works

* Object Utils always return new objects instead of mutating existing objects

* keep domain object model in-sync when listening

Keep the domain object model in sync with the latest version when
listening for mutation events.

* Remove old-style plugins

* Update views to use new API

* Tidy Code

* Update API Docs

* Add Plugin API and Example

tutorials/grootprovider/groots.js

@@ -1,44 +0,0 @@
-define(function () {
-    return function grootPlugin(mct) {
-        var ROOT_KEY = {
-            namespace: 'groot',
-            identifier: 'groot'
-        };
-
-        var GROOT_ROOT = {
-            name: 'I am groot',
-            type: 'folder',
-            composition: [
-                {
-                    namespace: 'groot',
-                    identifier: 'arms'
-                },
-                {
-                    namespace: 'groot',
-                    identifier: 'legs'
-                },
-                {
-                    namespace: 'groot',
-                    identifier: 'torso'
-                }
-            ]
-        };
-
-        var GrootProvider = {
-            get: function (key) {
-                if (key.identifier === 'groot') {
-                    return Promise.resolve(GROOT_ROOT);
-                }
-                return Promise.resolve({
-                    name: 'Groot\'s ' + key.identifier
-                });
-            }
-        };
-
-        mct.Objects.addRoot(ROOT_KEY);
-
-        mct.Objects.addProvider('groot', GrootProvider);
-
-        return mct;
-    };
-});