Marked assembly as CLS Compliant per #538
Marked assembly as CLS Compliant per #538

Added ClsCompliant attribute to assembly.

colin-young/serilog,merbla/serilog,ravensorb/serilog,adamchester/serilog,harishjan/serilog,khellang/serilog,skomis-mm/serilog,merbla/serilog,joelweiss/serilog,richardlawley/serilog,nblumhardt/serilog,harishjan/serilog,serilog/serilog,serilog/serilog,clarkis117/serilog,ravensorb/serilog,skomis-mm/serilog,clarkis117/serilog,adamchester/serilog,Jaben/serilog,joelweiss/serilog,CaioProiete/serilog,Applicita/serilog,colin-young/serilog,nblumhardt/serilog