Update project.json to use an explicit System.Security.Claims dependency for dnxcore50

Author: kevinchalet

generators/app/templates/project.json

@@ -8,13 +8,26 @@
     "licenseUrl": "http://www.apache.org/licenses/LICENSE-2.0.html",
 
     "dependencies": {
-        "AspNet.Security.OAuth.Extensions": { "type": "build", "version": "1.0.0-*" },
+        "AspNet.Security.OAuth.Extensions": {
+            "type": "build",
+            "version": "1.0.0-*"
+        },
+
         "Microsoft.AspNet.Authentication.OAuth": "1.0.0-*",
-        "Microsoft.Framework.NotNullAttribute.Internal": { "type": "build", "version": "1.0.0-*" }
+
+        "Microsoft.Framework.NotNullAttribute.Internal": {
+            "type": "build",
+            "version": "1.0.0-*"
+        }
     },
 
     "frameworks": {
         "dnx451": { },
-        "dnxcore50": { }
+
+        "dnxcore50": {
+            "dependencies": {
+                "System.Security.Claims": "4.0.1-*"
+            }
+        }
     }
 }