add hash routines
add new files to makefile
replace murmurhash with xxhash

and use hash + JudyL instead of JudySL
Merge branch 'devel_hash' into devel_no_report_regenerate

* devel_hash:
  replace murmurhash with xxhash
  add new files to makefile
  add hash routines
fix memleak on request_pool overflow
use all threads for all tag reports