New csf v10.20

Changes:

• Prevent lfd logrotate from erroring if log files missing
• Modified Apache ModSecurity regex to cater for changes in logging format on cPanel servers with ModSecurity v2.9.2
• Modified Apache cxs regex to cater for changes in logging format on cPanel servers with
• ModSecurity v2.9.2
• Ensure destination files are owned by root during installation