1.0.4 patch train updates (#39)

* 1.0.4 patch train updates

* Update to Microsoft.NETCore.App 1.0.4 and pin cli to 1.0.0-preview2-003154

Author: JunTaoLuo

global.json

@@ -1,3 +1,6 @@
 {
-  "projects": [ "src" ]
+  "projects": [ "src" ],
+  "sdk": {
+     "version": "1.0.0-preview2-003154"
+  }
 }

src/Microsoft.VisualStudio.Web.BrowserLink.Loader/project.json

@@ -1,5 +1,5 @@
 {
-  "version": "14.0.1",
+  "version": "14.0.2",
   "description": "A middleware that supports creating a communication channel between the development environment and one or more web browsers.",
   "buildOptions": {
     "warningsAsErrors": true,
@@ -10,7 +10,7 @@
     ]
   },
   "dependencies": {
-    "Microsoft.AspNetCore.Http.Abstractions": "1.0.1",
+    "Microsoft.AspNetCore.Http.Abstractions": "1.0.2",
     "Microsoft.Extensions.FileProviders.Physical": "1.0.1",
     "Microsoft.Extensions.PlatformAbstractions": "1.0.0"
   },