ReactiveProperty-5.0.0, System.Reactive-4.0.0 (xoofx#327)

* System.Reactive 4.0.0

// TODO: Need to remove package dependencies based on Unity version. Because some Unity versions has some DLL already on board.

* ReactiveProperty 5.0.0, ReactiveProperty.Core 7.0.0

* Fixed order of packages

registry.json

@@ -1065,6 +1065,14 @@
     "listed": true,
     "version": "0.0.3"
   },
+  "ReactiveProperty": {
+    "listed": true,
+    "version": "5.0.0"
+  },
+  "ReactiveProperty.Core": {
+    "listed": true,
+    "version": "7.0.0"
+  },
   "RestSharp": {
     "listed": true,
     "version": "106.0.0"
@@ -1347,6 +1355,10 @@
     "listed": false,
     "version": "4.6.0"
   },
+  "System.Reactive": {
+    "listed": true,
+    "version": "4.0.0"
+  },
   "System.Reflection.DispatchProxy": {
     "listed": true,
     "version": "4.4.0"
@@ -1375,6 +1387,11 @@
     "listed": true,
     "version": "4.4.0"
   },
+  "System.Runtime.InteropServices.WindowsRuntime": {
+    "listed": false,
+    "version": "4.3.0",
+    "ignore": true
+  },
   "System.Security.AccessControl": {
     "listed": true,
     "version": "4.4.0"