Add RD version to logging, log startup environment. Closes #2461

Author: comintern

RetailCoder.VBE/App.cs

@@ -1,6 +1,9 @@
-using System.IO;
+using System.Collections.Generic;
+using System.IO;
+using System.Reflection;
 using Infralution.Localization.Wpf;
 using NLog;
+using NLog.Fluent;
 using Rubberduck.Common;
 using Rubberduck.Parsing;
 using Rubberduck.Parsing.Symbols;
@@ -145,6 +148,7 @@ private void UpdateLoggingLevel()
         public void Startup()
         {
             EnsureLogFolderPathExists();
+            LogRubberduckSart();
             LoadConfig();
             CheckForLegacyIndenterSettings();
             _appMenus.Initialize();
@@ -223,6 +227,21 @@ private void CheckForLegacyIndenterSettings()
             }
         }
 
+        private void LogRubberduckSart()
+        {
+            var version = GetType().Assembly.GetName().Version.ToString();
+            GlobalDiagnosticsContext.Set("RubberduckVersion", version);
+            var headers = new List<string>
+            {
+                string.Format("Rubberduck version {0} loading:", version),
+                string.Format("\tOperating System: {0} {1}", Environment.OSVersion.VersionString, Environment.Is64BitOperatingSystem ? "x64" : "x86"),
+                string.Format("\tHost Product: {0} {1}", Application.ProductName, Environment.Is64BitProcess ? "x64" : "x86"),
+                string.Format("\tHost Version: {0}", Application.ProductVersion),
+                string.Format("\tHost Executable: {0}", Path.GetFileName(Application.ExecutablePath)),
+            };
+            Logger.Log(LogLevel.Info, string.Join(Environment.NewLine, headers));
+        }
+
         private bool _disposed;
         public void Dispose()
         {

RetailCoder.VBE/NLog.dll.nlog

@@ -7,7 +7,7 @@
       xsi:type="File" 
       name="file"
       fileName="${specialfolder:folder=ApplicationData}/Rubberduck/Logs/RubberduckLog.txt"
-      layout="${longdate};${uppercase:${level}};${logger};${message};${exception:format=tostring}"
+      layout="${longdate};${uppercase:${level}}-${gdc:item=RubberduckVersion};${logger};${message};${exception:format=tostring}"
       archiveFileName="${specialfolder:folder=ApplicationData}/Rubberduck/Logs/archives/RubberduckLog.{#}.txt"
       archiveAboveSize="5242880"
       archiveNumbering="Sequence"