Further explanation: http://www.codinghobo.com/re-organising-laravel-applications-with-psr-4/
"require": {
"laravel/framework": "4.1.*"
},
"autoload": {
"psr-4": {
"Acme\\Commands\\": "app/commands",
"Acme\\Controllers\\": "app/controllers",
"Acme\\Seeders\\": "app/database/seeds",
"Acme\\Models": "app/models",
"Acme\\Repositories\\": "app/repositories",
"Acme\\Services\\": "app/services"
}
}