sync Oslo Grizzly stable branch with Quantum

fixes bug 1154393

Change-Id: I3442ff3da05447926b3e5882299ec7a92b9e38e3
Replace "OpenStack LLC" with "OpenStack Foundation"

fixes bug 1154702

Change-Id: I78b1d2c9975a1a4f32b0785cce45f1e471783d8c
drop rfc.sh

fixes bug 1154763

git-review has long replaced rfc.sh, so this can be removed.

Change-Id: Icccbaa1ab393834370790ffb93f431b3435586be
Merge "drop rfc.sh"
Sync latest Oslo components for updated copyright.

fixes bug 1154837

This resolves the issue by updating with the latest Oslo changes. These
changes correct the copyright attribution missing from an earlier Oslo
change.

Change-Id: Ic04197bf4bf026b1b48920a5a99397e6183f5ff3
Imported Translations from Transifex

Change-Id: Ie5b1b38bd3d38b9795d25e1193f20181e933a70d