chore(package): upgrade awesome-typescript-loader

version 2.2.4 doesnt work with latest typescript version
s-panferov/awesome-typescript-loader#190
upgrade to latest version which seems to be an beta version

package.json

@@ -43,7 +43,7 @@
     "@types/node": "4.0.30",
     "angular2-template-loader": "^0.4.0",
     "async": "2.1.2",
-    "awesome-typescript-loader": "^2.2.4",
+    "awesome-typescript-loader": "^3.0.0-beta.18",
     "concurrently": "^3.0.0",
     "css-loader": "^0.23.1",
     "del": "2.2.2",