fix(package): update @angular/platform-server to version 5.0.5

Closes #112

Author: greenkeeper[bot]

package.json

@@ -35,7 +35,7 @@
     "@angular/material": "^2.0.0-beta.10",
     "@angular/platform-browser": "^4.3.6",
     "@angular/platform-browser-dynamic": "^4.3.6",
-    "@angular/platform-server": "^4.3.6",
+    "@angular/platform-server": "^5.0.5",
     "@angular/router": "^4.3.6",
     "@ngrx/core": "^1.2.0",
     "@ngrx/store": "^4.0.0",