Merge pull request #57 from hfreire/greenkeeper/@angular/http-4.2.2

Update @angular/http to the latest version 🚀

package.json

@@ -18,7 +18,7 @@
     "@angular/compiler": "4.1.3",
     "@angular/core": "4.1.3",
     "@angular/forms": "4.1.3",
-    "@angular/http": "4.1.3",
+    "@angular/http": "4.2.2",
     "@angular/material": "2.0.0-beta.6",
     "@angular/platform-browser": "4.2.2",
     "@angular/platform-browser-dynamic": "4.1.3",