* Migrate class names.
* Add new architecture of "Features".
* Configure old assignments for new features.
* Rename necessary parts.

Relates: #72

* No longer use trait but static methods due to lack of Dependency
  Injection.
* Adjust all calls.
* Also don't use yield any longer but return array of file names.

Relates: #42

* Make option trait cleaner, remove duplicate logic and use methods for
  same logic.
* Also fix issue in readme pointing to non existing config name.

Relates: #42

* Add docs for new feature.

Relates: #33

* Refactor afterwards

Relates: #42

* As we check removed functions, the folder and code should reflect
  that.

Relates: #33

* To provide a way to adjust deprecations without touching standard.
* Provide an option defining the path to lookup the configuration files.
* Parse yaml files containing deprecations.

Relates: #33

* Prefix with configured vendor if first argument does not start with a
  string already.

Relates: #36

* As we migrated trait to class, all sniffs have to extend instead to
  use the new class.
* Also make PhpCsFile import and type hints the same across all sniffs.

Relates: #36

* Move same code as default to trait.

Resolves: #21

Resolves: #16

Relates: #4

Fixes: #6

* Add @var to processed annotations.
* Add suffix to trait.

* Migrate @param and @return statements.