[ENH] Preserve Perm and Owner/Group + snapshot space consumed#1

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fmonthel wants to merge 11 commits intoinfinet:masterfrom

fmonthel:master

Commits on Nov 22, 2016

[ENH] Preserve Perm and Owner/Group
root
committed

Commits on Nov 23, 2016

[ENH] add space consumed by snapshots before/after
fmonthel
committed

Commits on Jan 2, 2019

Update time-machine.py
fmonthel
authored

Commits on Jan 8, 2019