feature/update-nuget-packages

[theczorn]

NOTE: These changes should be 1:1 with our master-5.x branch per the last PR. https://github.com/SlalomBuild/blackslope.net/pull/39

• Updated MSFT Nuget packages to latest versions of 3.x release stream
• deprecated FxCop in favor of new Analyzer package
• Docker logic properly stashed
• Docker logic targets latest MSFT resouces
• Updated all 3rd party pkgs to latest
  • Automapper config tweaked to use Assembly objs over strings in scan setup
  • Serilog Color Console pkg deprecated/replaced