refactor(core): move files to the right place

- render/xhr_* -> compiler/xhr_*
- render/event_config -> linker/event_config
- render/dom/schema -> compiler/schema
- render/dom/compiler/* -> compiler/*
- render/dom/view/shared_styles_host -> render/dom/shared_styles_host
- services/url_resolver -> compiler/url_resolver
- services/app_root_urlo -> compiler/app_root_url

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

@@ -0,0 +1,23 @@
+import {StringWrapper} from 'angular2/src/core/facade/lang';
+export const EVENT_TARGET_SEPARATOR = ':';
+
+export class EventConfig {
+  constructor(public fieldName: string, public eventName: string, public isLongForm: boolean) {}
+
+  static parse(eventConfig: string): EventConfig {
+    var fieldName = eventConfig, eventName = eventConfig, isLongForm = false;
+    var separatorIdx = eventConfig.indexOf(EVENT_TARGET_SEPARATOR);
+    if (separatorIdx > -1) {
+      // long format: 'fieldName: eventName'
+      fieldName = StringWrapper.substring(eventConfig, 0, separatorIdx).trim();
+      eventName = StringWrapper.substring(eventConfig, separatorIdx + 1).trim();
+      isLongForm = true;
+    }
+    return new EventConfig(fieldName, eventName, isLongForm);
+  }
+
+  getFullName(): string {
+    return this.isLongForm ? `${this.fieldName}${EVENT_TARGET_SEPARATOR}${this.eventName}` :
+                             this.eventName;
+  }
+}