* Make MissingNamespaceSniff work again. * Move to old namespace as it's a custom sniff, not a general one. * Do not use new feature here, implement logic internal. * Remove message from ruleset, use it directly. Relates: #72
Relates: #72
* Migrate class names. * Add new architecture of "Features". * Configure old assignments for new features. * Rename necessary parts. Relates: #72