Merge branch 'Hotfix/1466-projectCreationTimeout' into 'master'

Fix: Changed the project creation timeout (coscine/issues#1476)

See merge request !4

src/LegacySharepoint/Program.cs

 using Coscine.Configuration;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.DependencyInjection;
+using System;
 using System.IO;
 
 namespace Coscine.Api.LegacySharePoint
@@ -33,7 +34,10 @@ namespace Coscine.Api.LegacySharePoint
                 services.AddSingleton(startup);
             })
             .UseStartup<ST>()
-            .UseKestrel()
+            .UseKestrel(o =>
+            {
+                o.Limits.KeepAliveTimeout = TimeSpan.FromMinutes(30);
+            })
             .UseContentRoot(Directory.GetCurrentDirectory())
             .UseUrls($"http://[::]:{configurator.ApplicationInformation.Port}")
             .Build();