_ Git - youtube-dl/commit

[extractor/common] Improve _form_hidden_inputs and rename to _hidden_inputs

Totally unverified clone of youtube-dl

youtube_dl/extractor/common.py		diff \| blob \| history
youtube_dl/extractor/gorillavid.py		diff \| blob \| history
youtube_dl/extractor/hostingbulk.py		diff \| blob \| history
youtube_dl/extractor/played.py		diff \| blob \| history
youtube_dl/extractor/primesharetv.py		diff \| blob \| history
youtube_dl/extractor/promptfile.py		diff \| blob \| history
youtube_dl/extractor/shared.py		diff \| blob \| history
youtube_dl/extractor/twitch.py		diff \| blob \| history
youtube_dl/extractor/vimeo.py		diff \| blob \| history
youtube_dl/extractor/vk.py		diff \| blob \| history
youtube_dl/extractor/vodlocker.py		diff \| blob \| history