Redis 2.8.19
PHP: Avoid version guessing for Octopus when _PHP_SINGLE_INSTALL is used.
PHP: Avoid version guessing for Octopus when _PHP_SINGLE_INSTALL is used.
Sync CI instances config.
New 'nodns' option to skip DNS and SMTP checks on the fly.

Conflicts:
	docs/cnf/barracuda.cnf
Allow to force _PHP_SINGLE_INSTALL on command line also on barracuda upgrade.
Allow to force _PHP_SINGLE_INSTALL on command line also on barracuda upgrade (2)
Cron schedule update.
Avoid unexpected overrides.
Avoid unexpected overrides (2)
Improve debugging.
Avoid unexpected overrides (3)
Avoid unexpected overrides (4)
PHP: Disable not used FPM and CLI versions.
Update overrides for CI instances.
Sync defaults for hosting_advanced_cron_default_interval
Use correct pid file in procs monitor.
Improve procs monitor.