Use rbx_reflection to allow type inference on projects (#130)

* Start dependency on rbx_reflection

* Alive and working, all tests pass

* Update CHANGELOG

test-projects/single_partition_game/default.project.json

@@ -11,10 +11,7 @@
     "HttpService": {
       "$className": "HttpService",
       "$properties": {
-        "HttpEnabled": {
-          "Type": "Bool",
-          "Value": true
-        }
+        "HttpEnabled": true
       }
     }
   }