added timeout for waitone (for stuck unit test, see https://github.com/NLog/NLog/issues/1455)
added timeout for waitone (for stuck unit test, see https://github.com/NLog/NLog/issues/1455)

MartinTherriault/NLog,hubo0831/NLog,littlesmilelove/NLog,hubo0831/NLog,sean-gilliam/NLog,304NotModified/NLog,bjornbouetsmith/NLog,MartinTherriault/NLog,UgurAldanmaz/NLog,littlesmilelove/NLog,kevindaub/NLog,UgurAldanmaz/NLog,nazim9214/NLog,AndreGleichner/NLog,BrutalCode/NLog,luigiberrettini/NLog,ie-zero/NLog,nazim9214/NLog,BrutalCode/NLog,snakefoot/NLog,luigiberrettini/NLog,tetrodoxin/NLog,kevindaub/NLog,bjornbouetsmith/NLog,AndreGleichner/NLog,tetrodoxin/NLog,NLog/NLog,ie-zero/NLog