[dev] [ls] reform ls

[Quentin Rameau]

Hi,
I noticed that ls didn't really behaved as stated by POSIX so I worked
a little on that. Here are four patches, the second one introduce big
changes, so I'll be glad if you could review it.
Thanks!

0001-ls-fix-f-flag.patch
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0002-ls-rework-of-the-display-and-recursion-logic.patch

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0003-ls-add-g-and-o-options.patch

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0004-ls-fix-missing-mention-of-some-options.patch

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