aufs3 and aufs4 GIT release (linux-v4.8-rc8)

[s***@users.sourceforge.net]

o bugfix
- possible bugfix, auplink_ftw, prohibit 'touch' to create a new file

Essentially this release contains the update in aufs-util.git only.
aufs4.x-rcN branches in aufs4-linux.git and aufs4-standlone.git are
updated too, but the changes are just to follow the mainline.


J. R. Okajima

----------------------------------------
- aufs4-linux.git
none

- aufs4-standalone.git
none

- aufs-util.git
possible bugfix, auplink_ftw, prohibit 'touch' to create a new file