Added: MariaDB 10.1 for Ubuntu Xenial Xerus

Quote from i-MSCP Github (1.4.x)

Code

1. Added: MariaDB 10.1 for Ubuntu Xenial Xerus
2. Added: Percona SQL Server (5.5, 5.6, 5.7) for Ubuntu Xenial Xerus
3. Updated: APT key for Percona repositories

Source: https://github.com/i-MSCP/imsc…da6fe591b1f1d2f62515370fe