Omnibar was released during Warlords of Draenor so it was built on the 6.* updated through to 7.* Version of wow, From what i can well the closest thing to it your going to find from wraths time is...
Type: Posts; User: bloodwill
Omnibar was released during Warlords of Draenor so it was built on the 6.* updated through to 7.* Version of wow, From what i can well the closest thing to it your going to find from wraths time is...
Sorry for the 3 week late reply but,
WowAce Tends to keep a pretty good list of dated mods, I would suggest using a release build before trying revisions...