Merge pull request #1676 from rzhxeo/extremetube

Add support for http://www.extremetube.com

diff --combined youtube_dl/extractor/__init__.py
index a69c08f51ccaf7f54f05f73a14d0cfb303f51b52,5eed1eebd1f354ba42059cc1102a40c9f435ad99..f44f4214fce36d312bf0fe55ea3817ec4fbfd147
--- 1/youtube_dl/extractor/__init__.py
--- 2/youtube_dl/extractor/__init__.py
+++ b/youtube_dl/extractor/__init__.py
@@@ -9,7 -9,6 +9,7 @@@ from .arte import 
      ArteTVFutureIE,
  )
  from .auengine import AUEngineIE
 +from .bambuser import BambuserIE, BambuserChannelIE
  from .bandcamp import BandcampIE
  from .bliptv import BlipTVIE, BlipTVUserIE
  from .bloomberg import BloombergIE
@@@ -40,6 -39,7 +40,7 @@@ from .ehow import EHowI
  from .eighttracks import EightTracksIE
  from .escapist import EscapistIE
  from .exfm import ExfmIE
+ from .extremetube import ExtremeTubeIE
  from .facebook import FacebookIE
  from .faz import FazIE
  from .fktv import (
@@@ -84,7 -84,6 +85,7 @@@ from .mit import TechTVMITIE, MITI
  from .mixcloud import MixcloudIE
  from .mtv import MTVIE
  from .muzu import MuzuTVIE
 +from .myspace import MySpaceIE
  from .myspass import MySpassIE
  from .myvideo import MyVideoIE
  from .naver import NaverIE
@@@ -143,7 -142,6 +144,7 @@@ from .videofyme import VideofyMeI
  from .videopremium import VideoPremiumIE
  from .vimeo import VimeoIE, VimeoChannelIE
  from .vine import VineIE
 +from .vk import VKIE
  from .wat import WatIE
  from .websurg import WeBSurgIE
  from .weibo import WeiboIE