Fixing compilation.
Adding .NET version to build path.
Moved AssemblyVersion and AssemblyFileVersion to SilutionInfo.cs.
Fixing Release build.
Fixing Release build.
Fixing output paths.
Implemented build script with all targets and dependencies.
Documentation file is created during Release build for NPerf.Core.csproj.
Removed NPerf.Experiment from packaging list.
(*) Update Nuget information

(*) fix typo in SolutionAssemblyInfo.cs file name
(*) Update Readme