use the MVC Json formatter

Yavsc.Api/project.json

@@ -1,8 +1,12 @@
 {
   "version": "1.0.0-*",
   "description": "Api Class Library",
-  "authors": [ "Class Library template" ],
-  "tags": [""],
+  "authors": [
+    "Class Library template"
+  ],
+  "tags": [
+    ""
+  ],
   "projectUrl": "",
   "licenseUrl": "",
   "tooling": {
@@ -15,9 +19,11 @@
     "EntityFramework.Relational": "7.0.0-rc1-*",
     "EntityFramework7.Npgsql": "3.1.0-*",
     "EntityFramework7.Npgsql.Design": "3.1.0-*",
-    "Microsoft.AspNet.Identity.EntityFramework": "3.0.0-rc1-*"
+    "Microsoft.AspNet.Identity.EntityFramework": "3.0.0-rc1-*",
+    "Newtonsoft.Json": "9.0.1",
+    "System.Json": "4.0.20126.16343"
   },
   "frameworks": {
-    "net451": { }
+    "net451": {}
   }
 }