bug 1269104: Add another field to avoid a query
bug 1269104: Add another field to avoid a query

Pre-fetch document.current_revision_id to avoid loading it from the
database in wiki/list/revisions.html

escattone/kuma,jwhitlock/kuma,Elchi3/kuma,escattone/kuma,jwhitlock/kuma,mozilla/kuma,a2sheppy/kuma,SphinxKnight/kuma,escattone/kuma,mozilla/kuma,mozilla/kuma,a2sheppy/kuma,mozilla/kuma,SphinxKnight/kuma,a2sheppy/kuma,a2sheppy/kuma,a2sheppy/kuma,jwhitlock/kuma,jwhitlock/kuma,mozilla/kuma,Elchi3/kuma,Elchi3/kuma,SphinxKnight/kuma,SphinxKnight/kuma,SphinxKnight/kuma,Elchi3/kuma,Elchi3/kuma,jwhitlock/kuma,SphinxKnight/kuma