Some minor fixes and tweaks.
- [FIXED] Ondrej repo PPA key issue (Thanks to Wiktor Tom Sadowski)
- [FIXED] Server-Update option not working for PHP.
- [FIXED] Broken link in readme file.
- [IMPROVED] Download internal links are now all HTTPS.
- [IMPROVED] Log command code refactored. Fixed error when ERR log file not exist. PHP option included as FPM substitute.
- [IMPROVED] Messages displayed, typos, fixed color end issues, mixed sp-en language messages, better redaction and informative texts.