Merge remote-tracking branch 'phaer/add-oe1-support'

diff --cc youtube_dl/extractor/__init__.py
index eef13d2b8fc614f1c675a0bfe7542034badad7e3,0e4b2b6e8ce80ea7a0d2aa38fc3565cd89b19b3c..8e81fa619334305a5105420dcf42511a22211d1f
--- 1/youtube_dl/extractor/__init__.py
--- 2/youtube_dl/extractor/__init__.py
+++ b/youtube_dl/extractor/__init__.py
@@@ -177,7 -177,7 +177,8 @@@ from .normalboots import NormalbootsI
  from .novamov import NovaMovIE
  from .nowness import NownessIE
  from .nowvideo import NowVideoIE
 +from .ntv import NTVIE
+ from .oe1 import OE1IE
  from .ooyala import OoyalaIE
  from .orf import ORFIE
  from .parliamentliveuk import ParliamentLiveUKIE