Added initial Splunk library
Added scaffolding following other projects
More wireup
Added Sample project and trivial wire up of sink

Need to add awaitable and disposable to the sink
Need to add formatted to ensure content in Splunk
Corrected location of sample
Moved files to correct location, also changed to use render
Notes on further implementation and cleanup
Renamed file
Updated to use attach vs submit
Changed to use EmitBatch not EmitBatchAsync
Merge remote-tracking branch 'upstream/master' into Splunk
Added context to logging using Serilog properties for JSON
Added dependencies to nuspec
Merge branch 'Splunk' of https://github.com/merbla/serilog into merbla-Splunk
Removed the JSON.NET package brought in with the last commit.
Housekeeping - updated a bunch of dependencies, for the sample projects and also: RavenDB, log4net, Topshelf, Azure (misc), Glimpse, MongoDB, SignalR.