Update core package versions to 1.1.0-beta2-* so that CI will produce non-timestamped packages

Author: SteveSandersonMS

src/Microsoft.AspNetCore.AngularServices/project.json

@@ -1,6 +1,6 @@
 {
   "description": "Helpers for building Angular 2 applications on ASP.NET Core.",
-  "version": "1.1.0-*",
+  "version": "1.1.0-beta2-*",
   "packOptions": {
     "repository": {
       "type": "git",

src/Microsoft.AspNetCore.NodeServices.Sockets/project.json

@@ -1,6 +1,6 @@
 {
   "description": "Socket-based RPC for Microsoft.AspNetCore.NodeServices",
-  "version": "1.1.0-*",
+  "version": "1.1.0-beta2-*",
   "packOptions": {
     "repository": {
       "type": "git",

src/Microsoft.AspNetCore.NodeServices/project.json

@@ -1,6 +1,6 @@
 {
   "description": "Invoke Node.js modules at runtime in ASP.NET Core applications.",
-  "version": "1.1.0-*",
+  "version": "1.1.0-beta2-*",
   "packOptions": {
     "repository": {
       "type": "git",

src/Microsoft.AspNetCore.ReactServices/project.json

@@ -1,6 +1,6 @@
 {
   "description": "Helpers for building React applications on ASP.NET Core.",
-  "version": "1.1.0-*",
+  "version": "1.1.0-beta2-*",
   "packOptions": {
     "repository": {
       "type": "git",

src/Microsoft.AspNetCore.SpaServices/project.json

@@ -1,6 +1,6 @@
 {
   "description": "Helpers for building single-page applications on ASP.NET MVC Core",
-  "version": "1.1.0-*",
+  "version": "1.1.0-beta2-*",
   "packOptions": {
     "repository": {
       "type": "git",