Replace ILogger with ILogger<T> wherever possible

Log entries will contain additional class context when using this interface

MediaBrowser.WebDashboard/Api/DashboardService.cs

@@ -122,7 +122,7 @@ namespace MediaBrowser.WebDashboard.Api
             IResourceFileManager resourceFileManager,
             IServerConfigurationManager serverConfigurationManager,
             IFileSystem fileSystem,
-            ILogger logger,
+            ILogger<DashboardService> logger,
             IHttpResultFactory resultFactory)
         {
             _appHost = appHost;