New csf v13.00

Changes:

• Added InterWorx integration and InterWorx panel specific configuration. See /etc/csf/readme.txt for more information (only tested on CentOS v7)
• Added InterWorx regex detection for proftpd, dovecot imap, dovecot pop3, and smtp auth login failures. Added regex detection for LF_DISTSMTP and LF_DISTFTP. Added regex detection for LF_CXS and LF_MODSEC. Added Login
  Tracking for LT_POP3D and LT_IMAPD
• Ensure UI errors are displayed in browser to avoid blank pages
• Display install.txt if perl module checks fail
• Reworked DirectAdmin UI to display within the parent template