[YoutubeDL] Document where details for format can be found

[devscripts/make_contributing] Switch to optparse (Fixes #4483)

release 2014.12.16

Drop hash character in downloader output (#4484)

[Allocine] Support for more URLs

[Allocine] Support for more URLs

[Allocine] Support for more URLs

Fix
Merge branch 'master' of github.com:Tailszefox/youtube-dl