Investigate SkinnyHistogram

[LeeCampbell]

I am not sure what the Skinny Histogram is and what it could offer the .NET project.

• [https://github.com/HdrHistogram/HdrHistogram/blob/master/HdrHistogram-benchmarks/src/main/java/org/HdrHistogram/SkinnyHistogram.java]
• [https://github.com/Searchlight/khronus/blob/master/khronus-core/src/main/scala/com/searchlight/khronus/model/SkinnyHistogram.scala]
• https://github.com/Searchlight/khronus/issues/21#issuecomment-133877545

[LeeCampbell]

Moved to https://github.com/HdrHistogram/HdrHistogram.NET/issues/46