Merge commit 'origin/master'

* commit 'origin/master':
  [Console] added a Shell
  [Foundation] updated the autoloader, added a new one
  [DependencyInjection] made the loader extensions much more reliable and robust
  [Console] refactored helpers
  [Console] implemented helpers and moved formatter and ask* methods to their own helpers
  [Console] changed the subpackage from cli to console