fix(ng-router): update to 3.4.5 for experimental version

When everything is 4.x they'll all be on the same page / semantic versioning :)

Author: MarkPieszak

templates/Angular2Spa/package-2.4.5.json

@@ -13,7 +13,7 @@
 "@angular/platform-browser": "^2.4.5",
 "@angular/platform-browser-dynamic": "^2.4.5",
 "@angular/platform-server": "^2.4.5",
-"@angular/router": "^3.0.2",
+"@angular/router": "^3.4.5",
 "@types/node": "^6.0.42",
 "angular2-platform-node": "~2.0.11",
 "angular2-template-loader": "^0.6.0",