Add support for democracynow.org

Supports downloading clips or entire shows. Subtitle support

youtube_dl/extractor/__init__.py

@@ -112,6 +112,7 @@ from .daum import DaumIE
 from .dbtv import DBTVIE
 from .dctp import DctpTvIE
 from .deezer import DeezerPlaylistIE
+from .democracynow import DemocracynowIE
 from .dfb import DFBIE
 from .dhm import DHMIE
 from .dotsub import DotsubIE