Task add style cope and fxcop analyzers

[WojciechNagorski]

In this PR I added StyleCop and FxCop packages for every project in the solution.

In CodingStyle.ruleset file you can find configuration based on dotnet/corefx repo: https://github.com/dotnet/corefx/blob/06007cdedee9cfb096d884016a99e3a64bdccb45/src/Common/src/CoreLib/CodeAnalysis.ruleset
I've removed some line. Please validate this list before merge.

There you can find similar props file from dotnet/corefx: https://github.com/dotnet/corefx/blob/3d37c15b43be2a36de5dc7f9076584407b430175/eng/Analyzers.props

PR for Hacktoberfest 😄

[adamsitnik]

Wojciech how many warnings do you get when you perform a clean build of the solution with all these rules enabled?

[WojciechNagorski]

@adamsitnik

• With trailing whitespaces 1963
  
• Without trailing whitespaces from Task remove trailing whitespace #1259 only 634:
  

There is a lot of SA1000 https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1000.md

If you decide to clean the code, I can make one bulk PR for simple rules in no time.

[adamsitnik]

@AndreyAkinshin I like the concept of having some static code analysis, are you ok with adding StyleCop and FxCop?

[adamsitnik]

LGTM!

[WojciechNagorski]

Is there any update on this topic? Should I improve something?

[adamsitnik]

@AndreyAkinshin ping

[WojciechNagorski]

@AndreyAkinshin ping

[AndreyAkinshin]

@WojciechNagorski thanks!

[AndreyAkinshin]

@WojciechNagorski it seems that one of our integration tests (UserCanSpecifyCustomBuildConfiguration) is red after the merge, see https://ci.appveyor.com/project/dotnetfoundation/benchmarkdotnet/history
Could you please take a look?

[WojciechNagorski]

Ok no problem. I will take a look tomorrow.