Merge remote-tracking branch 'yan12125/IE_Letv'

diff --combined youtube_dl/extractor/__init__.py
index 67dca82aea8b19d65f211c9f9979d416b9286ff1,7b7d41adf1ec8b6f06789c633f5e8167901f3034..ddb9d6670e9cacbe7cb2f4ff89e7ab0d9a3bd93a
--- 1/youtube_dl/extractor/__init__.py
--- 2/youtube_dl/extractor/__init__.py
+++ b/youtube_dl/extractor/__init__.py
@@@ -8,7 -8,6 +8,7 @@@ from .adobetv import AdobeTVI
  from .adultswim import AdultSwimIE
  from .aftenposten import AftenpostenIE
  from .aftonbladet import AftonbladetIE
 +from .airmozilla import AirMozillaIE
  from .aljazeera import AlJazeeraIE
  from .alphaporno import AlphaPornoIE
  from .anitube import AnitubeIE
@@@ -238,6 -237,11 +238,11 @@@ from .krasview import KrasViewI
  from .ku6 import Ku6IE
  from .la7 import LA7IE
  from .laola1tv import Laola1TvIE
+ from .letv import (
+     LetvIE,
+     LetvTvIE,
+     LetvPlaylistIE
+ )
  from .lifenews import LifeNewsIE
  from .liveleak import LiveLeakIE
  from .livestream import (