New csf v2.36

Changes:

• Added runlevel check to Security Check
• Added nobody cron check to Security Check
• Added melange server check to Security Check
• Modified the regex for the php.ini disable_functions check
• Added timing function to lfd that logs how long each stage takes. This can be enabled by editing lfd.pl and setting $timing=1 – this can help in tracking down performance issues with lfd