OAK-2808: Active deletion of 'deleted' Lucene index files from DataStore without relying on full scale Blob GC
OAK-2808: Active deletion of 'deleted' Lucene index files from DataStore without relying on full scale Blob GC

Document feature and controlling knobs.

git-svn-id: 67138be12999c61558c3dd34328380c8e4523e73@1803177 13f79535-47bb-0310-9956-ffa450edef68

chetanmeh/jackrabbit-oak,chetanmeh/jackrabbit-oak,chetanmeh/jackrabbit-oak,chetanmeh/jackrabbit-oak,chetanmeh/jackrabbit-oak