Created S# .sln and moved project to src folder

ICD.Common/Services/Logging/ILoggerService.cs

@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using ICD.Common.Properties;
+using ICD.Common.Utils;
+
+namespace ICD.Common.Services.Logging
+{
+	public enum eSeverity
+	{
+		Emergency = 0,
+		Alert = 1,
+		Critical = 2,
+		Error = 3,
+		Warning = 4,
+		Notice = 5,
+		Informational = 6,
+		Debug = 7
+	}
+
+	public interface ILoggerService
+	{
+		[PublicAPI]
+		event EventHandler<LogItemEventArgs> OnEntryAdded;
+
+		[PublicAPI]
+		event EventHandler<SeverityEventArgs> OnSeverityLevelChanged;
+
+		/// <summary>
+		/// Gets and sets the severity level.
+		/// </summary>
+		[PublicAPI]
+		eSeverity SeverityLevel { get; set; }
+
+		/// <summary>
+		/// Adds the log item.
+		/// </summary>
+		/// <param name="item">Log entry to add</param>
+		[PublicAPI]
+		void AddEntry(LogItem item);
+
+		/// <summary>
+		/// Gets the log history.
+		/// </summary>
+		/// <returns></returns>
+		[PublicAPI]
+		KeyValuePair<int, LogItem>[] GetHistory();
+	}
+
+	/// <summary>
+	/// Extension methods for ILoggerService.
+	/// </summary>
+	public static class LoggerServiceExtensions
+	{
+		/// <summary>
+		/// Adds the log item with string formatting.
+		/// </summary>
+		/// <param name="extends"></param>
+		/// <param name="severity">Severity Code, 0 - 7</param>
+		/// <param name="message">Message Text format string</param>
+		[PublicAPI]
+		public static void AddEntry(this ILoggerService extends, eSeverity severity, string message)
+		{
+			LogItem item = new LogItem(severity, message);
+			extends.AddEntry(item);
+		}
+
+		/// <summary>
+		/// Adds the log item with string formatting.
+		/// </summary>
+		/// <param name="extends"></param>
+		/// <param name="severity">Severity Code, 0 - 7</param>
+		/// <param name="message">Message Text format string</param>
+		/// <param name="args">objects to format into the string</param>
+		[PublicAPI]
+		public static void AddEntry(this ILoggerService extends, eSeverity severity, string message, params object[] args)
+		{
+			extends.AddEntry(severity, string.Format(message, args));
+		}
+
+		[PublicAPI]
+		public static void AddEntry(this ILoggerService extends, eSeverity severity, Exception e, string message)
+		{
+			extends.AddEntry(severity, string.Format("{0}: {1}{2}{3}{2}{4}", e.GetType().Name, message,
+			                                         IcdEnvironment.NewLine, e.Message, e.StackTrace));
+		}
+
+		[PublicAPI]
+		public static void AddEntry(this ILoggerService extends, eSeverity severity, Exception e, string message,
+		                            params object[] args)
+		{
+			extends.AddEntry(severity, e, string.Format(message, args));
+		}
+	}
+}