Upgrading StyleCop to Analyzer version, fixing some style issues

Author: fabiocav

Settings.StyleCop

@@ -50,8 +50,14 @@
       <Link>NuGetProj.settings.targets</Link>
     </None>
     <None Include="app.config" />
+    <None Include="packages.config" />
     <None Include="tools\install.ps1" />
   </ItemGroup>
+  <ItemGroup>
+    <Analyzer Include="..\..\packages\StyleCop.Analyzers.1.1.0-beta001\analyzers\dotnet\cs\Newtonsoft.Json.dll" />
+    <Analyzer Include="..\..\packages\StyleCop.Analyzers.1.1.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.CodeFixes.dll" />
+    <Analyzer Include="..\..\packages\StyleCop.Analyzers.1.1.0-beta001\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Target Name="Build">
     <MSBuild Projects="@(NuGetProject)" Targets="Build" />