feat(core): renames Property into Input and Event into Output

BREACKING CHANGE:

Before: @Directive({properties: ['one'], events: ['two']})
After: @Directive({inputs: ['one'], outputs: ['two']})

Before: @Component({properties: ['one'], events: ['two']})
After: @Componet({inputs: ['one'], outputs: ['two']})

Before: class A {@Property() one; @Event() two;}
After: class A {@Input() one; @Output() two;}

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

@@ -49,7 +49,7 @@ export class MdButton {
 
 @Component({
   selector: 'a[md-button], a[md-raised-button], a[md-fab]',
-  properties: ['disabled'],
+  inputs: ['disabled'],
   host: {
     '(click)': 'onClick($event)',
     '(mousedown)': 'onMousedown()',