Merge pull request #3690 from naglis/sharesix

[sharesix] Add new extractor

diff --combined youtube_dl/extractor/__init__.py
index 8d0777b96332c8ddf0cf5cede856a67fc2834d4a,c76fb37273bcdd1f91a0816ec7f169d515064189..5e7a0a7759a7aeeb6623d1842170ddb15e1b59dd
--- 1/youtube_dl/extractor/__init__.py
--- 2/youtube_dl/extractor/__init__.py
+++ b/youtube_dl/extractor/__init__.py
@@@ -200,7 -200,6 +200,7 @@@ from .mitele import MiTeleI
  from .mixcloud import MixcloudIE
  from .mlb import MLBIE
  from .mpora import MporaIE
 +from .moevideo import MoeVideoIE
  from .mofosex import MofosexIE
  from .mojvideo import MojvideoIE
  from .mooshare import MooshareIE
@@@ -297,6 -296,7 +297,7 @@@ from .scivee import SciVeeI
  from .screencast import ScreencastIE
  from .servingsys import ServingSysIE
  from .shared import SharedIE
+ from .sharesix import ShareSixIE
  from .sina import SinaIE
  from .slideshare import SlideshareIE
  from .slutload import SlutloadIE
@@@ -376,7 -376,6 +377,7 @@@ from .veehd import VeeHDI
  from .veoh import VeohIE
  from .vesti import VestiIE
  from .vevo import VevoIE
 +from .vgtv import VGTVIE
  from .vh1 import VH1IE
  from .viddler import ViddlerIE
  from .videobam import VideoBamIE