add support for NowVideo.ch

youtube_dl/extractor/__init__.py

@@ -83,6 +83,7 @@ from .nba import NBAIE
 from .nbc import NBCNewsIE
 from .newgrounds import NewgroundsIE
 from .nhl import NHLIE, NHLVideocenterIE
+from .nowvideo import NowVideoIE
 from .ooyala import OoyalaIE
 from .orf import ORFIE
 from .pbs import PBSIE