[#7873] Add fields to Repository for storing reference cache
[#7873] Add fields to Repository for storing reference cache

heiths/allura,apache/allura,heiths/allura,lym/allura-git,heiths/allura,lym/allura-git,apache/allura,apache/allura,lym/allura-git,heiths/allura,apache/allura,lym/allura-git,lym/allura-git,apache/allura,heiths/allura