Merge branch 'nagios-implementation' of git.ispconfig.org:darkalex/ispconfig3 into nagios-implementation

Conflicts:
	interface/web/monitor/show_nagios.php
	interface/web/monitor/templates/show_nagios.htm

Known Bugs: CMK-URL is damaged (origtarget), iframe stays white...?

Known Bugs: CMK-URL is damaged (origtarget), iframe stays white...?

Updater interactive service config

I hope this is okay for you. Please have a quick look at docs/autoinstall_samples/autoinstall.ini.sample  if that syntax is okay.
This MR closes ispconfig/ispconfig3#4163
and also closes ispconfig/ispconfig3#4050

Tested on Master-Slave and confirmed working on both. See comments.

See merge request !431

fixed html id in nav for munin

just a minimal bug. At least I think so... Or did I understand this wrong?

See merge request !433

updater: db-query working, requests working. This will be my MR and hopefully fixes ispconfig/ispconfig3#4163 and hopefully also fixes ispconfig/ispconfig3#4050

Fixes db quota (typo)

Fixes db quota (typo) #4158 

See merge request !430

Stable 3.1



See merge request !429

clean up servers select list when adding firewall record (Fixes: #4088)



See merge request !428

Stable 3.1



See merge request !427

fixed 300-quota_notify.inc.php



See merge request !426

Remote API: new API call: server_get_php_versions.

This function was missing in a multi ISPC server environment, so I've implemented it. It has been tested and is working with both SOAP and REST calls. The result is an array of values that are accepted in the websites 'fastcgi_php_version' parameter.

See merge request !425

Update bind_plugin.inc.php

to correct "PHP Parse error:  syntax error, unexpected ':' in /usr/local/ispconfig/server/plugins-available/bind_plugin.inc.php on line 279"

See merge request !424

Update bind_plugin.inc.php to correct "PHP Parse error:  syntax error, unexpected ':' in /usr/local/ispconfig/server/plugins-available/bind_plugin.inc.php on line 279"