Release 1.2.1

Changelog

* optimize database structure; increase the database perfomance

• added statistics based on lastseen (clients online 24h, last 7d, last 30d, last 90d)
• added full list for nations, versions and platforms with user count (linked on stats/index.php)
• unset https warning on install.php if an error occurred; to focus the main problem

• fixed syntax error on italian translation