New csf v9.20

Changes:

• Redesigned UI based on Bootstrap
• New functionality: Added integrated mobile device view with subset of functionsModified csf to not warn about the SENDMAIL binary if LF_ALERT_SMTP is enabled
• Added use of the ace editor if present on cPanel installs to edit files. Added toggle to switch back to textarea. Added buttons to decrease and increase font size in editor
• Modified readme.txt to include information regarding changing styles and disabling Mobile View

Note: If you want to downgrade to csf v9.14 you can download it from here, then remember to disable AUTO_UPDATES to prevent upgrades.