Revert "Fix comments."

This reverts commit 8c425bdbd1bb8204d522fc503c9ce5f8a21cca8c.
Revert "Intial work on hooking up "publications/*" to spaces."

This reverts commit 38cfffb5324ef161a87073b8fb462b25f3ccb6d4.
Deny access to "publications/keywords".