2.6.8

[#7369]: Remove monit sshd and rsyslogd monitoring, these are already monitored by upstart
[#7365]: Add proper memcache protocol check to monit memcached monitoring
[#7362]: Switch all Cargo-related daemons (nginx, proftpd, postgresql) to syslog logging
[#7320]: Fix an issue with sync-to-slave.sh not getting REMOTE_HOST properly set
[#7309]: Fix an issue regarding custom filters in the Cargo API
[#7305]: Restart Postgresql only after 3 consecutive failed connection attempts by monit
[#7262]: Use rsyslog for handling all Cargo (shell / daemon / rails) messages
[#7260]: Switch all Cargo Rails jobs to syslog
[#7184]: Enforce CAPTCHA based on source IP instead of HTTP session