Chunk server: change replicator trace message level to debug, in the case of successful replication completion, to just leave the final replication completion message at the notice level.
Top level cmake: install jerasure and gf-complete libraries in the same destination ast the other kfs libraries. Set static and shared libraries location variables to simplify referencing the libraries from cmake files in sub directories.
Client library: add dependencies to jerasure external project. Link client library against jerasure and gf-complete libraries.