File list (Check if you may need any files):
log4net
.......\log4net
.......\log4net.sln
.......\log4net.userprefs
.......\.......\AppenderSkeleton.cs
.......\.......\AssemblyInfo.cs
.......\.......\bin
.......\.......\...\Release
.......\.......\...\.......\UnityEngine.dll
.......\.......\ConsoleAppender.cs
.......\.......\Hierarchy.cs
.......\.......\ILog.cs
.......\.......\ILogger.cs
.......\.......\ILoggerRepository.cs
.......\.......\Layout.cs
.......\.......\Level.cs
.......\.......\LevelMap.cs
.......\.......\log4net.csproj
.......\.......\log4net.pidb
.......\.......\Logger.cs
.......\.......\LoggerRepository.cs
.......\.......\LoggingEvent.cs
.......\.......\LogManager.cs
.......\.......\Unity3DLogger.cs
.......\.......\XmlConfigurator.cs
.......\original
.......\........\log4net.dll
.......\slim
.......\....\log4net.dll