[#5289] provide migration script for existing trove category data
[#5289] provide migration script for existing trove category data

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