Further 0.5.0 tweaks (#1191)

* Clarify debug instructions further

* Fix error message

* Add "using Microsoft.JSInterop" in templates

* Clarify template descriptions

src/Microsoft.AspNetCore.Blazor.Server/MonoDebugProxy/MonoDebugProxyAppBuilderExtensions.cs

@@ -138,17 +138,17 @@ namespace Microsoft.AspNetCore.Builder
         {
             if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
             {
-                return $@"<p>Close this browser, then press Win+R and enter the following:</p>
+                return $@"<p>Close all Chrome instances, then press Win+R and enter the following:</p>
                           <p><strong><code>""%programfiles(x86)%\Google\Chrome\Application\chrome.exe"" --remote-debugging-port=9222 {appRootUrl}</code></strong></p>";
             }
             else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
             {
-                return $@"<p>Close this browser, then in a terminal window execute the following:</p>
+                return $@"<p>Close all Chrome instances, then in a terminal window execute the following:</p>
                           <p><strong><code>google-chrome --remote-debugging-port=9222 {appRootUrl}</code></strong></p>";
             }
             else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
             {
-                return $@"<p>Close this browser, then in a terminal window execute the following:</p>
+                return $@"<p>Close all Chrome instances, then in a terminal window execute the following:</p>
                           <p><strong><code>open /Applications/Google\ Chrome.app --args --remote-debugging-port=9222 {appRootUrl}</code></strong></p>";
             }
             else

src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorHosted-CSharp/.template.config.src/vs-2017.3.host.json

@@ -6,7 +6,7 @@
     "id": "1050"
   },
   "description": {
-    "text": "A project template for creating an ASP.NET Core Blazor application",
+    "text": "A project template for creating a Blazor application that runs on WebAssembly and is hosted on an ASP.NET Core server.",
     "package": "{0CD94836-1526-4E85-87D3-FB5274C5AFC9}",
     "id": "1051"
   },

src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorHosted-CSharp/BlazorHosted-CSharp.Client/_ViewImports.cshtml

@@ -1,5 +1,6 @@
-@using System.Net.Http
+@using System.Net.Http
 @using Microsoft.AspNetCore.Blazor.Layouts
 @using Microsoft.AspNetCore.Blazor.Routing
+@using Microsoft.JSInterop
 @using BlazorHosted_CSharp.Client
 @using BlazorHosted_CSharp.Client.Shared

src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorServerSide-CSharp/.template.config.src/vs-2017.3.host.json

@@ -6,7 +6,7 @@
     "id": "1050"
   },
   "description": {
-    "text": "A project template for creating an ASP.NET Core Blazor application",
+    "text": "A project template for creating a Blazor application that runs server-side inside an ASP.NET Core application.",
     "package": "{0CD94836-1526-4E85-87D3-FB5274C5AFC9}",
     "id": "1051"
   },

src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorServerSide-CSharp/BlazorServerSide-CSharp.App/_ViewImports.cshtml

@@ -1,5 +1,6 @@
-@using System.Net.Http
+@using System.Net.Http
 @using Microsoft.AspNetCore.Blazor.Layouts
 @using Microsoft.AspNetCore.Blazor.Routing
+@using Microsoft.JSInterop
 @using BlazorServerSide_CSharp.App
 @using BlazorServerSide_CSharp.App.Shared

src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorStandalone-CSharp/.template.config.src/vs-2017.3.host.json

@@ -6,7 +6,7 @@
     "id": "1050"
   },
   "description": {
-    "text": "A project template for creating an ASP.NET Core Blazor application",
+    "text": "A project template for creating a standalone Blazor application that runs on WebAssembly.",
     "package": "{0CD94836-1526-4E85-87D3-FB5274C5AFC9}",
     "id": "1051"
   },

src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorStandalone-CSharp/_ViewImports.cshtml

@@ -1,5 +1,6 @@
-@using System.Net.Http
+@using System.Net.Http
 @using Microsoft.AspNetCore.Blazor.Layouts
 @using Microsoft.AspNetCore.Blazor.Routing
+@using Microsoft.JSInterop
 @using BlazorStandalone_CSharp
 @using BlazorStandalone_CSharp.Shared

src/Microsoft.JSInterop/JavaScriptRuntime/src/Microsoft.JSInterop.ts

@@ -62,7 +62,7 @@ module DotNet {
       const resultJson = dispatcher.invokeDotNetFromJS(assemblyName, methodIdentifier, dotNetObjectId, argsJson);
       return resultJson ? parseJsonWithRevivers(resultJson) : null;
     } else {
-      throw new Error('The current dispatcher does not support synchronous calls from JS to .NET. Use invokeAsync instead.');
+      throw new Error('The current dispatcher does not support synchronous calls from JS to .NET. Use invokeMethodAsync instead.');
     }
   }