updated readme
updated readme

BBC-News/wraith,guimoreira07/wraith,peruukki/wraith,deividmarques/wraith,LessonPlanet/wraith,adouglas/wraith,marciovicente/wraith,BBC-News/wraith,adouglas/wraith,frob/wraith-selenium,guimoreira07/wraith,guimoreira07/wraith,deividmarques/wraith,webdev1001/wraith,sideci-sample/sideci-sample-wraith,webdev1001/wraith,jaredstehler/wraith,saulirajala/wraith,jzinkdi/wraith,deividmarques/wraith,jzinkdi/wraith,webdev1001/wraith,frob/wraith-selenium,saulirajala/wraith,BBC-News/wraith,peruukki/wraith,adouglas/wraith,LessonPlanet/wraith,marciovicente/wraith,OfflineAudio/wraith,frob/wraith-selenium,sideci-sample/sideci-sample-wraith,marciovicente/wraith,jzinkdi/wraith,OfflineAudio/wraith,saulirajala/wraith,jlarusso-canvas/wraith-time-diff,jlarusso-canvas/wraith-time-diff,jaredstehler/wraith,LessonPlanet/wraith,peruukki/wraith,jaredstehler/wraith