Devuan: update all install scripts from debian (#390)

* devuan: pull fail2ban updates from debian installer

* devuan: merge updates to postgresql.sh from debian

* devuan: pull updated resources/backup scripts from debian

* devuan: merge and update php installer scripts

* devuan: merged changes to reset_admin_password.sh from debian

* devuan: fix release name typo for chimaera

* devuan: merge iptables changes from debian

* devuan: merge nginx changes from debian

* devuan: merge letsencrypt.sh from debian

* devuan: merge main install scripts and config from debian

* devuan: simplify sngrep install, its in all maintained releases

* devuan: merge main install script updates from debian

* devuan: finish.sh: use /usr/sbin/service for restart

* devuan: postgresql.sh: fix syntax error

* devuan: update and unify sysvinit setup

there is no sysvinit package available from freeswitch,
usethe same init and defaults file for package and source install

* devuan: add equvalent debian releasesto environment.sh

* devuan: merge changes to switch* from debian

* devuan: switch: use os_codenam_debian to add repos

* devuan: olny stop ufw if it was installed

* devuan: update config.sh defaults

* devuan: remove systemd-specifics from switch package installation

* devuan: install postgres before freeswitch

* devuan: removed libyuv-dev installation, embedded in freeswitch

* devuan: fix failing move of freeswitch music

* devuan: removed another libyuv-dev installation, embedded in freeswitch

* devuan: revert freeswitch script dir setting in /etc/default

* devuan: Enable mod_av for the install. (#389)

* devuan: merge improved nginx ssl settings (#388)

devuan/resources/switch/source-sysvinit.sh

@@ -1,6 +1,5 @@
-cp "$(dirname $0)/source/freeswitch.init" /etc/init.d/freeswitch
-cp "$(dirname $0)/source/etc.default.freeswitch" /etc/default/freeswitch
-update-rc.d freeswitch enable
-service freeswitch restart
+cp "$(dirname $0)/freeswitch.init" /etc/init.d/freeswitch
+cp "$(dirname $0)/etc.default.freeswitch" /etc/default/freeswitch
 
-echo "Please configure the sysvinit start up script from the source dir, test, and contribute code. Thank you."
+/usr/sbin/update-rc.d freeswitch enable
+/usr/sbin/service freeswitch restart