docs: add description and example to list and item

ionic/components/item/item.ts

@@ -5,7 +5,22 @@ import {ItemPrimarySwipeButtons, ItemSecondarySwipeButtons} from './item-swipe-b
 import {dom} from 'ionic/util';
 
 /**
- * TODO
+ * @name ionItem
+ * @classdesc
+ * Creates a list-item that can easily be swiped,
+ * deleted, reordered, edited, and more.
+ *
+ * @example
+ * ```html
+ *  <ion-list>
+ *    <ion-item *ng-for="#item of items" (^click)="itemTapped($event, item)">
+ *      {{item.title}}
+ *      <div class="item-note" item-right>
+ *        {{item.note}}
+ *      </div>
+ *    </ion-item>
+ *  </ion-list>
+ *  ```
  */
 @Component({
   selector: 'ion-item,[ion-item]',
@@ -24,22 +39,7 @@ import {dom} from 'ionic/util';
 })
 export class Item {
   /**
-   * @name ionItem
+   * TODO
-   * @classdesc
-   * Creates a list-item that can easily be swiped,
-   * deleted, reordered, edited, and more.
-   *
-   * @example
-   * ```html
-   *  <ion-list>
-   *    <ion-item *ng-for="#item of items" (^click)="itemTapped($event, item)">
-   *      {{item.title}}
-   *      <div class="item-note" item-right>
-   *        {{item.note}}
-   *      </div>
-   *    </ion-item>
-   *  </ion-list>
-   * ```
    * @param {ElementRef} elementRef  TODO
    */
   constructor(elementRef: ElementRef) {

ionic/components/list/list.ts

@@ -7,18 +7,6 @@ import {ListVirtualScroll} from './virtual';
 import * as util from 'ionic/util';
 
 /**
- * TODO
- */
-@IonicDirective({
-  selector: 'ion-list',
-  properties: [
-    'items',
-    'virtual',
-    'content'
-  ]
-})
-export class List extends Ion {
-  /**
  * @name ionList
  * @classdesc
  * The List is a widely used interface element in almost any mobile app, and can include
@@ -30,6 +18,18 @@ export class List extends Ion {
  * Using the ionList and ionItem components make it easy to support various
  * interaction modes such as swipe to edit, drag to reorder, and removing items.
  *
+ */
+@IonicDirective({
+  selector: 'ion-list',
+  properties: [
+    'items',
+    'virtual',
+    'content'
+  ]
+})
+export class List extends Ion {
+  /**
+   * TODO
    * @param {ElementRef} elementRef  TODO
    * @param {IonicConfig} config  TODO
    */

ionic/components/tabs/tab.ts

@@ -6,7 +6,15 @@ import {Tabs} from './tabs';
 
 
 /**
- * TODO
+ * @name ionTab
+ * @requires ionTabs
+ * @classdesc
+ * Contains a tab's content. The content only exists while the given tab is selected.
+ *
+ * @example
+ * ```html
+ * <ion-tab tab-title="Heart" tab-icon="ion-ios-heart-outline" [root]="root1"></ion-tab>
+ * ```
  */
 @Component({
   selector: 'ion-tab',

ionic/components/tabs/tabs.ts

@@ -5,9 +5,28 @@ import {ViewItem} from '../view/view-item';
 import {Icon} from '../icon/icon';
 import {IonicComponent, IonicView} from '../../config/annotations';
 
-/**
+  /**
- * TODO
+   * @name ionTabs
+   * @classdesc
+   * Powers a multi-tabbed interface with a Tab Bar and a set of "pages" that can be tabbed through.
+   *
+   * Assign any tabs attribute to the element to define its look and feel.
+   *
+   * For iOS, tabs will appear at the bottom of the screen. For Android, tabs will be at the top of the screen, below the nav-bar. This follows each OS's design specification, but can be configured with the ionicConfig.
+   *
+   * See the ionTab component's documentation for more details on individual tabs.
+   *
+   * @example
+   * ```html
+   * <ion-tabs>
+   *   <ion-tab tab-title="Heart" tab-icon="ion-ios-heart-outline" [root]="root1"></ion-tab>
+   *   <ion-tab tab-title="Star" tab-icon="ion-ios-star-outline" [root]="root2"></ion-tab>
+   *   <ion-tab tab-title="Stopwatch" tab-icon="ion-ios-stopwatch-outline" [root]="root3"></ion-tab>
+   * </ion-tabs>
+   * ```
+   *
    */
+ 
 @IonicComponent({
   selector: 'ion-tabs',
   defaultProperties: {
@@ -31,6 +50,9 @@ import {IonicComponent, IonicView} from '../../config/annotations';
   directives: [forwardRef(() => TabButton)]
 })
 export class Tabs extends ViewController {
+  /**
+   * TODO
+   */
  constructor(
     @Optional() hostViewCtrl: ViewController,
     @Optional() viewItem: ViewItem,