bugfix, describe the op for the removed but left in procfs file

Signed-off-by: J. R. Okajima <hooanon05g@gmail.com>
add a sample for auls and libau.so

Signed-off-by: J. R. Okajima <hooanon05g@gmail.com>
update year in copyright

Signed-off-by: J. R. Okajima <hooanon05g@gmail.com>
Merge branch 'aufs3.9' into aufs3.x-rcN