Live Chat Unlimited 3.7.5

-Fixed saving options in ancient PHP versions 5.4 and newer

* Updated console.css file
! Fixed some installation conflicts on real-time database (i.e. resetting case number issue)

[+] Updated licenses: Complete (Regular License) and Unlimited (100% GPL)
[+] You can see offline messages in admin panel
[+] Added honeypot against bots
[+] Added logo width for email templates
[*] Improved user authentication
[*] Updated to latest version of Firebase 4.6.2
[!] Fixed sound notifications issue
[!] Fixed colorpicker issue comes with WP 4.9 update
[!] Fixed losing email information of visitor after refresh the page