Merge pull request #51 from B0pol/nitter

[nitter] Add new extractor

youtube_dlc/extractor/extractors.py

@@ -751,6 +751,7 @@ from .ninecninemedia import NineCNineMediaIE
 from .ninegag import NineGagIE
 from .ninenow import NineNowIE
 from .nintendo import NintendoIE
+from .nitter import NitterIE
 from .njpwworld import NJPWWorldIE
 from .nobelprize import NobelPrizeIE
 from .noco import NocoIE