Update our LanguageServer OmniSharp lib package version.

- Consuming several quality of life changes from O#. Such as support multiple languages in file paths.
- This also prepares us to take the TextDocumentSynchronization fixes started here: OmniSharp/csharp-language-server-protocol#199

Author: N. Taylor Mullen

eng/Versions.props

@@ -121,7 +121,7 @@
     <MoqPackageVersion>4.10.0</MoqPackageVersion>
     <!-- STOP!!! We need to reference the version of JSON that our HOSTS supprt. -->
     <NewtonsoftJsonPackageVersion>9.0.1</NewtonsoftJsonPackageVersion>
-    <OmniSharpExtensionsLanguageServerPackageVersion>0.13.1</OmniSharpExtensionsLanguageServerPackageVersion>
+    <OmniSharpExtensionsLanguageServerPackageVersion>0.14.1</OmniSharpExtensionsLanguageServerPackageVersion>
     <OmniSharpMSBuildPackageVersion>1.33.0</OmniSharpMSBuildPackageVersion>
     <VS_NewtonsoftJsonPackageVersion>12.0.2</VS_NewtonsoftJsonPackageVersion>
     <VSMAC_NewtonsoftJsonPackageVersion>12.0.2</VSMAC_NewtonsoftJsonPackageVersion>

src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/Program.cs

@@ -58,15 +58,12 @@ public static async Task MainAsync(string[] args)
 
             Serializer.Instance.JsonSerializer.Converters.RegisterRazorConverters();
 
-            var factory = new LoggerFactory();
             ILanguageServer server = null;
             server = await OmniSharp.Extensions.LanguageServer.Server.LanguageServer.From(options =>
                 options
                     .WithInput(Console.OpenStandardInput())
                     .WithOutput(Console.OpenStandardOutput())
-                    .WithLoggerFactory(factory)
-                    .AddDefaultLoggingProvider()
-                    .WithMinimumLogLevel(logLevel)
+                    .ConfigureLogging(builder => builder.SetMinimumLevel(logLevel))
                     .WithHandler<RazorDocumentSynchronizationEndpoint>()
                     .WithHandler<RazorCompletionEndpoint>()
                     .WithHandler<RazorHoverEndpoint>()
@@ -121,10 +118,10 @@ public static async Task MainAsync(string[] args)
 
             // Workaround for https://github.com/OmniSharp/csharp-language-server-protocol/issues/106
             var languageServer = (OmniSharp.Extensions.LanguageServer.Server.LanguageServer)server;
-            languageServer.MinimumLogLevel = logLevel;
 
             try
             {
+                var factory = new LoggerFactory();
                 var logger = factory.CreateLogger<Program>();
                 var assemblyInformationAttribute = typeof(Program).Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>();
                 logger.LogInformation("Razor Language Server version " + assemblyInformationAttribute.InformationalVersion);

src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/ProjectSystem/AddDocumentParams.cs

@@ -1,7 +1,7 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using OmniSharp.Extensions.Embedded.MediatR;
+using MediatR;
 
 namespace Microsoft.AspNetCore.Razor.LanguageServer.ProjectSystem
 {

src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/ProjectSystem/RazorAddProjectParams.cs

@@ -1,7 +1,7 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using OmniSharp.Extensions.Embedded.MediatR;
+using MediatR;
 
 namespace Microsoft.AspNetCore.Razor.LanguageServer.ProjectSystem
 {

src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/ProjectSystem/RazorRemoveProjectParams.cs

@@ -1,7 +1,7 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using OmniSharp.Extensions.Embedded.MediatR;
+using MediatR;
 
 namespace Microsoft.AspNetCore.Razor.LanguageServer.ProjectSystem
 {

src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/ProjectSystem/RazorUpdateProjectParams.cs

@@ -2,7 +2,7 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using Microsoft.AspNetCore.Razor.LanguageServer.Common.Serialization;
-using OmniSharp.Extensions.Embedded.MediatR;
+using MediatR;
 
 namespace Microsoft.AspNetCore.Razor.LanguageServer.ProjectSystem
 {

src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/ProjectSystem/RemoveDocumentParams.cs

@@ -1,7 +1,7 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using OmniSharp.Extensions.Embedded.MediatR;
+using MediatR;
 
 namespace Microsoft.AspNetCore.Razor.LanguageServer.ProjectSystem
 {

src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/RazorDocumentSynchronizationEndpoint.cs

@@ -5,11 +5,11 @@
 using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
+using MediatR;
 using Microsoft.AspNetCore.Razor.LanguageServer.ProjectSystem;
 using Microsoft.CodeAnalysis.Razor;
 using Microsoft.CodeAnalysis.Text;
 using Microsoft.Extensions.Logging;
-using OmniSharp.Extensions.Embedded.MediatR;
 using OmniSharp.Extensions.LanguageServer.Protocol;
 using OmniSharp.Extensions.LanguageServer.Protocol.Client.Capabilities;
 using OmniSharp.Extensions.LanguageServer.Protocol.Models;

src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/RazorLanguageQueryParams.cs

@@ -2,7 +2,7 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using OmniSharp.Extensions.Embedded.MediatR;
+using MediatR;
 using OmniSharp.Extensions.LanguageServer.Protocol.Models;
 
 namespace Microsoft.AspNetCore.Razor.LanguageServer

src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/RazorMapToDocumentRangeParams.cs

@@ -2,7 +2,7 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using OmniSharp.Extensions.Embedded.MediatR;
+using MediatR;
 using Range = OmniSharp.Extensions.LanguageServer.Protocol.Models.Range;
 
 namespace Microsoft.AspNetCore.Razor.LanguageServer