title: importing MdSelectModule causes angular build failure
body: <p>When I try to import <code>MdSelectModule</code> angular I face lots of build errors:</p>
  
  <pre><code>import {MdSelectModule} from '@angular/material';
  </code></pre>
  
  <p>Here is the content of package.json:</p>
  
  <pre><code> {
    "name": "sbmclient",
    "version": "0.0.0",
    "license": "MIT",
    "angular-cli": {},
    "scripts": {
      "ng": "ng",
      "start": "ng serve",
      "test": "ng test",
      "pree2e": "webdriver-manager update --standalone false --gecko false",
      "e2e": "protractor"
    },
    "private": true,
    "dependencies": {
      "@angular/common": "^4.0.0-beta.3",
      "@angular/compiler": "^4.0.0-beta.3",
      "@angular/core": "^4.0.0-beta.3",
      "@angular/forms": "^4.0.0-beta.3",
      "@angular/http": "^4.0.0-beta.3",
      "@angular/material": "^2.0.0-beta.5",
      "@angular/platform-browser": "^4.0.0-beta.3",
      "@angular/platform-browser-dynamic": "^4.0.0-beta.3",
      "@angular/router": "^4.0.0-beta.3",
      "core-js": "^2.4.1",
      "rxjs": "^5.0.1",
      "ts-helpers": "^1.1.1",
      "zone.js": "^0.7.2"
    },
    "devDependencies": {
      "@angular/compiler-cli": "^2.3.1",
      "@types/jasmine": "2.5.38",
      "@types/node": "^6.0.42",
      "angular-cli": "1.0.0-beta.28.3",
      "codelyzer": "~2.0.0-beta.1",
      "jasmine-core": "2.5.2",
      "jasmine-spec-reporter": "2.5.0",
      "karma": "1.2.0",
      "karma-chrome-launcher": "^2.0.0",
      "karma-cli": "^1.0.1",
      "karma-jasmine": "^1.0.2",
      "karma-remap-istanbul": "^0.2.1",
      "protractor": "~4.0.13",
      "ts-node": "1.2.1",
      "tslint": "^4.3.0",
      "typescript": "^2.0.10"
    }
  }
  </code></pre>
  
  <p>And result of build reports lots of errors like this:</p>
  
  <pre><code>    ERROR in D:/.../node_modules/@angular/material/typings/core/overlay/scroll/scrollable.d.ts (1,49): Mo
  dule '"D:/.../node_modules/@angular/core/index"' has no exported member 'Renderer2'.
  
  ERROR in D:/.../node_modules/@angular/material/typings/core/overlay/scroll/scroll-dispatcher.d.ts (10
  ,42): Initializers are not allowed in ambient contexts.
  
  ERROR in D:/.../node_modules/@angular/material/typings/core/overlay/overlay-directives.d.ts (1,78): M
  odule '"D:/.../node_modules/@angular/core/index"' has no exported member 'Renderer2'.
  </code></pre>
  
  <p>Is there anything wrong with my package file?</p>