[File] broken URLs in README.md

[Yaroslav Halchenko]

Hi File Gurus,

Looking at README of https://github.com/file/file it provides

Mailing List archives: http://mailman.astron.com/pipermail/file/
Bug tracker: http://bugs.astron.com/

Both should be https:// not http://

-- 
Yaroslav O. Halchenko
Center for Open Neuroscience     http://centerforopenneuroscience.org
Dartmouth College, 419 Moore Hall, Hinman Box 6207, Hanover, NH 03755
Phone: +1 (603) 646-9834                       Fax: +1 (603) 646-1419
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