[TagesschauIE] Add extractor for tagesschau.de (fixes #3049)
[TagesschauIE] Remove unused import
[TagesschauIE] Add note to 2nd _download_webpage
[TagesschauIE] Fix possible error if quality is not defined
Merge remote-tracking branch 'pulpe/tagesschau'
[tagesschau] Add support for width/height
Merge branch 'master' of github.com:rg3/youtube-dl

Conflicts:
	youtube_dl/extractor/__init__.py