chore(core): move compiler out of core

BREAKING CHANGE

All imports from 'angular2/core/compiler' should be changed to 'angular2/compiler'.

modules/angular2/test/compiler/schema_registry_mock.ts

@@ -0,0 +1,16 @@
+import {ElementSchemaRegistry} from 'angular2/src/compiler/schema/element_schema_registry';
+import {isPresent} from 'angular2/src/core/facade/lang';
+
+export class MockSchemaRegistry implements ElementSchemaRegistry {
+  constructor(public existingProperties: {[key: string]: boolean},
+              public attrPropMapping: {[key: string]: string}) {}
+  hasProperty(tagName: string, property: string): boolean {
+    var result = this.existingProperties[property];
+    return isPresent(result) ? result : true;
+  }
+
+  getMappedPropName(attrName: string): string {
+    var result = this.attrPropMapping[attrName];
+    return isPresent(result) ? result : attrName;
+  }
+}