LPS-48498 add interfaces for handling backup and restore of indices
LPS-48498 add lucene impl for backup/restore of index
LPS-48498 add ES back/restore of indices
LPS-48498 add ES impl of backup/restore index
LPS-48498 ran "ant format-source"
LPS-48498 SF
LPS-48498 Simplify
LPS-48498 Rename
LPS-48498 Fix Eclipse warnings