Added support / Sink for Microsoft Application Insights
Fixes #146 - use a culture-neutral format for the default console output template.
Support :u and :w as format specifiers for UPPERCASE and lowercase output respectively; only effective in output templates. Fixes #88 and #151.
Test .csproj cleanup (fixes #139).
Fixes #152 - convert null/empty strings appropriately when setting Nullable<T> values from <appSettings>.
Added NLog sink support

Author:    ruba1987
Added a link to the samples repo
Fixed reference paths in the NLog sink, addressed a couple of minor consistency issues.
remove redundant code
Fixes #145 - always pass a logger name through to log4net's LogManager.GetLogger() call; provide the defaultLoggerName: option on the WriteTo.Log4Net() method to override the default "serilog".
Fixes #164 - convert enum values properly when read from app settings.
Adds serilog:enrich:with-property:PropertyName syntax to the app settings extension.
Adds the Serilog.Extras.Attributed package.
Removed old 4.5 project
Initial PCL work
Added extra ctors,working on PCL issues
Moved Splunk PCL to correct location
Extra cleanup