This PR was submitted for the 3.2 branch but it was merged into the 2.7 branch instead (closes#7330).Discussion----------[Fix][Console] Missing autoloading by ComposerHello,The good practice is to use the autoloading mechanism provided by composer, except I notice that on this documentation it lacks the essential to make the example work.- Seehttp://symfony.com/doc/current/components/console/usage.html#using-console-commands-shortcuts-and-built-in-commandsI note that there is the call of the autoload in the other documents, for example:-http://symfony.com/doc/current/components/console/single_command_tool.htmlRegards,Commits-------47a529b [Fix][Console] Missing autoloading by Composer