refactor(LifecycleEvent): change from onInit to Lifecycle.onInit

BREAKING CHANGE

Closes #2928

modules/angular2_material/src/components/button/button.ts

@@ -1,4 +1,4 @@
-import {Component, View, onChange} from 'angular2/angular2';
+import {Component, View, LifecycleEvent} from 'angular2/angular2';
 import {isPresent} from 'angular2/src/facade/lang';
 
 
@@ -13,7 +13,7 @@ export class MdButton {
   selector: '[md-button][href]',
   properties: ['disabled'],
   host: {'(click)': 'onClick($event)', '[tabIndex]': 'tabIndex'},
-  lifecycle: [onChange]
+  lifecycle: [LifecycleEvent.onChange]
 })
 @View({templateUrl: 'angular2_material/src/components/button/button.html'})
 export class MdAnchor {

modules/angular2_material/src/components/grid_list/grid_list.ts

@@ -1,4 +1,4 @@
-import {Component, View, Parent, onDestroy, onChange, onAllChangesDone} from 'angular2/angular2';
+import {Component, View, Parent, LifecycleEvent} from 'angular2/angular2';
 
 import {ListWrapper} from 'angular2/src/facade/collection';
 import {StringWrapper, isPresent, isString, NumberWrapper} from 'angular2/src/facade/lang';
@@ -14,7 +14,7 @@ import {Math} from 'angular2/src/facade/math';
 @Component({
   selector: 'md-grid-list',
   properties: ['cols', 'rowHeight', 'gutterSize'],
-  lifecycle: [onAllChangesDone]
+  lifecycle: [LifecycleEvent.onAllChangesDone]
 })
 @View({templateUrl: 'angular2_material/src/components/grid_list/grid_list.html'})
 export class MdGridList {
@@ -221,7 +221,7 @@ export class MdGridList {
     '[style.paddingTop]': 'stylePaddingTop',
     '[attr.role]': '"listitem"'
   },
-  lifecycle: [onDestroy, onChange]
+  lifecycle: [LifecycleEvent.onDestroy, LifecycleEvent.onChange]
 })
 @View({templateUrl: 'angular2_material/src/components/grid_list/grid_tile.html'})
 export class MdGridTile {

modules/angular2_material/src/components/input/input.ts

@@ -1,4 +1,4 @@
-import {Directive, onAllChangesDone, Attribute, Parent} from 'angular2/angular2';
+import {Directive, LifecycleEvent, Attribute, Parent} from 'angular2/angular2';
 
 import {ObservableWrapper, EventEmitter} from 'angular2/src/facade/async';
 
@@ -9,7 +9,7 @@ import {ObservableWrapper, EventEmitter} from 'angular2/src/facade/async';
 
 @Directive({
   selector: 'md-input-container',
-  lifecycle: [onAllChangesDone],
+  lifecycle: [LifecycleEvent.onAllChangesDone],
   host:
       {'[class.md-input-has-value]': 'inputHasValue', '[class.md-input-focused]': 'inputHasFocus'}
 })

modules/angular2_material/src/components/progress-linear/progress_linear.ts

@@ -1,11 +1,11 @@
-import {Component, onChange, View, Attribute} from 'angular2/angular2';
+import {Component, LifecycleEvent, View, Attribute} from 'angular2/angular2';
 
 import {isPresent, isBlank} from 'angular2/src/facade/lang';
 import {Math} from 'angular2/src/facade/math';
 
 @Component({
   selector: 'md-progress-linear',
-  lifecycle: [onChange],
+  lifecycle: [LifecycleEvent.onChange],
   properties: ['value', 'bufferValue'],
   host: {
     '[attr.role]': '"progressbar"',

modules/angular2_material/src/components/radio/radio_button.ts

@@ -1,4 +1,12 @@
-import {Component, View, onChange, Parent, Ancestor, Attribute, Optional} from 'angular2/angular2';
+import {
+  Component,
+  View,
+  LifecycleEvent,
+  Parent,
+  Ancestor,
+  Attribute,
+  Optional
+} from 'angular2/angular2';
 
 import {isPresent, StringWrapper, NumberWrapper} from 'angular2/src/facade/lang';
 import {ObservableWrapper, EventEmitter} from 'angular2/src/facade/async';
@@ -24,7 +32,7 @@ var _uniqueIdCounter: number = 0;
 
 @Component({
   selector: 'md-radio-group',
-  lifecycle: [onChange],
+  lifecycle: [LifecycleEvent.onChange],
   events: ['change'],
   properties: ['disabled', 'value'],
   host: {
@@ -179,7 +187,7 @@ export class MdRadioGroup {
 
 @Component({
   selector: 'md-radio-button',
-  lifecycle: [onChange],
+  lifecycle: [LifecycleEvent.onChange],
   properties: ['id', 'name', 'value', 'checked', 'disabled'],
   host: {
     '(keydown)': 'onKeydown($event)',