Add a note about xunit.console.clr4 runner
Add a note about xunit.console.clr4 runner

Otherwise it is very hard to investigate why your xUnit tests can not be performed.
howitzer-industries/website,gep13/website-1,Shredder121/website,appveyor/website,howitzer-industries/website,appveyor/website,gep13/website-1,saper/appveyor-website,gep13/website-1,saper/appveyor-website,Shredder121/website,appveyor/website,saper/appveyor-website,howitzer-industries/website,Shredder121/website