Added: Autoloader for aliasing the legacy i-MSCP classes/interface

Quote from i-MSCP Github (1.5.3)

Code

1. Added: Autoloader for aliasing the legacy i-MSCP classes/interface
2. Fixed: Couldn't unregister exception writers
3. Review: Set locale from environment (CLI)
4. Review: Switch from PSR-0 to PSR-4
5. Updated: PHP include path (frontEnd)

Source: https://github.com/i-MSCP/imsc…af3279deea312721cc1ef7714