ISPN-3444 Add support for LevelDB cache store
ISPN-3176 Add tests for compatibility mode to server
ISPN-3425 Add support for strictPeerToPeer attribute to the server distribution
ISPN-3458 Drop the upgrade-tools module (removed from library too)
ISPN-3018 Rest store
ISPN-3327 Customize init.d script for Infinispan Server
Reformat and removed unused imports