tools: pmempool utility

- pmempool utility with the following commands:
-- create - creating pool files
-- info - parsing pool files
-- dump - dumping data from pool files
-- check - checking and repairing pool files
- update scripts for creating packages
- bash completion script
- manual pages and README file
Its on my Ubuntu system. But, looking at it more carefully I see that it comes from libbsd-dev so you are right. I guess some Linux distros deliver it and some don't.