nova changes for multinode working under -o errexit

There was a stray inicomment on paste outside of a nova-api block. This
fails under -o errexit because the paste.ini doesn't exist.

Move this to inside the correct block.

Change-Id: Iffbdae6716a1c2a8f650b68edd4faf436434eab1
Merge "nova changes for multinode working under -o errexit"