refactor(core): deprecate `DynamicComponentLoader` and `DebugNode.inject`

BREAKING CHANGE:
- `DynamicComponentLoader` is deprecated. Use `ComponentResolver` and `ViewContainerRef` directly.
- `DebugNode.inject` is deprecated. use `DebugNode.injector.get` instead.

modules/angular2/src/core/debug/debug_node.ts

@@ -38,6 +38,11 @@ export class DebugNode {
 
   get source(): string { return isPresent(this._debugInfo) ? this._debugInfo.source : null; }
 
+  /**
+   * Use injector.get(token) instead.
+   *
+   * @deprecated
+   */
   inject(token: any): any { return this.injector.get(token); }
 }
 

modules/angular2/src/core/linker/dynamic_component_loader.ts

@@ -10,7 +10,9 @@ import {ComponentRef} from './component_factory';
 import {ViewContainerRef} from './view_container_ref';
 
 /**
- * Service for instantiating a Component and attaching it to a View at a specified location.
+ * Use ComponentResolver and ViewContainerRef directly.
+ *
+ * @deprecated
  */
 export abstract class DynamicComponentLoader {
   /**