AppCenter to AppInsights migration. (#562)

* Remove AppCenter usage and libraries.

* Remove redundant pacakges and add the app insights sink.

* Diagnostic id support and manipulating telemetries.

* Handling of appdomain unhandled exceptions.

* Remove unused package identity package from mail project.

* Fixing printing.

Wino.Services/Misc/WinoTelemetryConverter.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.ApplicationInsights.Channel;
+using Microsoft.ApplicationInsights.DataContracts;
+using Serilog.Events;
+using Serilog.Sinks.ApplicationInsights.TelemetryConverters;
+
+namespace Wino.Services.Misc
+{
+    internal class WinoTelemetryConverter : EventTelemetryConverter
+    {
+        private readonly string _userDiagnosticId;
+
+        public WinoTelemetryConverter(string userDiagnosticId)
+        {
+            _userDiagnosticId = userDiagnosticId;
+        }
+
+        public override IEnumerable<ITelemetry> Convert(LogEvent logEvent, IFormatProvider formatProvider)
+        {
+            foreach (ITelemetry telemetry in base.Convert(logEvent, formatProvider))
+            {
+                // Assign diagnostic id as user id.
+                telemetry.Context.User.Id = _userDiagnosticId;
+
+                yield return telemetry;
+            }
+        }
+
+        public override void ForwardPropertiesToTelemetryProperties(LogEvent logEvent, ISupportProperties telemetryProperties, IFormatProvider formatProvider)
+        {
+            ForwardPropertiesToTelemetryProperties(logEvent, telemetryProperties, formatProvider,
+                includeLogLevel: true,
+                includeRenderedMessage: true,
+                includeMessageTemplate: false);
+        }
+    }
+}