allow ping, delete legacy rules
do not let user pass locale
Merge pull request #141 from phunehehe/shorewall

allow ping, delete legacy rules
Merge pull request #142 from phunehehe/locale

do not let user pass locale
Merge pull request #143 from phunehehe/python

import python from https://github.com/poise/python/tree/dd651062c538b3fd98d8b6bca12b97a0fdd5d5e8
sync password and connection limit for pgsql
tweaks according to foodcritic
archive_mode is so useless now
Merge pull request #144 from phunehehe/pgsql

Pgsql
import https://github.com/onehealth-cookbooks/sysctl/tree/942ea5759fe080622ac60e52c953c85672dee5af
use sysctl instead of templating sysctl.conf
add dependency
Merge pull request #145 from phunehehe/pgsql

archive_mode is so useless now
Merge pull request #146 from phunehehe/sysctl

Sysctl
add check_ports
reapply ad5c5a310d31275253cd541614b49ca43291e5d4 "just use python-pip"