New rbh-find output to display stat info.

Added the -lsstat command line option. Each file is output like:
 [file,31532,12790,23,1365022640,1365022640,1365022640]=/mnt/lustre/foo

Format is [type, uid, gid, size, creation time, mtime, atime]=file name
Change RBH_PATH_MAX from 1024 to 4096
Handle changelog case where RENAME/EXT are not contiguous.