Fixes #3158: Move 29698, r29811 to v1.7 branch

---svn-pre-commit-ignore-below---

r29695 [[BR]]
Merge branch 'romio_refresh'

r29698 [[BR]]
Set ignores

Refs #3158


r29777 [[BR]]
Update svn:ignore for new romio

r29811 [[BR]]
Update romio configury to remove a warning message.

cmr=v1.7.4:ticket=3158