* Remove construct from interface.
* Fix wrong type hints.
* Keep naming of variable in sync.
* Also keep conditions format in sync.

Relates: #71

* Remove unnecessary docs.
* Add necessary docs.

* Don't duplicate code and logic.
* Move common code to parent class.

Relates: #71

* Adjust CI , composer and docs.
* Migrate modern code to 5.6 supported code.

Relates: #71

* Also migrate RemovedClassFeature to new structure with
  AbstractYamlRemovedUsage

Relates: #71

* Migrate GenericConstantUsageSniff to new architecture.
* Move non common functionality from AbstractGenericPhpUsage to concrete
  classes.

Relates: #71

* Migrate GenericFunctionCallSniff to new architecture.
* Provide new abstract class for php removed functions and constants.
* Fix TypoScriptSniff not always returning array.
* Adjust warnings in Expected.json

Relates: #71

* As PHP 7.1 is required, document and adjust tests in CI.

Relates: #71

* Refactor yaml based removed check architecture.
* Migrate TypoScriptSniff to new architecture.

Relates: #71

* Handle empty yaml files for features in options class.

* Add feature to existing code base and logic, see #72 .
* Add first removed classes for TYPO3 7.0 as example.
* Adjust first test to make sure basic implementation works.

Relates: #41

Feature/54 add checks for typoscript

Closes #54

See merge request !74

Feature/72 refactor sniff architecture

Closes #72

See merge request !78

* Also test that we don't modify working parts

* Reduce indentation.
* Provide internal API to add new feature with necessary checks.

* To keep naming in sync with code, to make examples work.

* As long as we don't make use of intersphinx disable it to speed up
  rendering of documentation.

* Remove unnecessary documentation.
* Remove unused code.
* Add missing documentation.

Relates: #72

Relates: #72

* Add further tests with quotes.
* Handle prefix in strings.
* Remove old originalTokenContent which is no longer in use, as we use
  str_replace, introduced in earlier commit.

Relates: #72

* 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

* As sometimes not the whole token should be replaces, but only the
  classname within the token, we replace them always this way.
* Before the refactoring, that was done in the concrete sniffs.
* Affected are e.g. php doc comments.

Relates: #72

* Remove unnecessary information to shorten output.
* This should make it easier to get the actual issue.

* Fix wrong class name, to allow features to match.

Relates: #72

* All tests where only file name in diff was wrong are working again.

Relates: #72

* Make TypeHintSniff tests pass again.
* Fix typo in class name preventing new feature mechanism from matching.

Relates: #72

* Make use sniff tests pass again.

Relates: #72

Relates: #72

* Have all feature related classes in a single namespace.

Relates: #72

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

Relates: #72

* Add license to file.

TASK: Remove no longer used .scrutinizer.yml

See merge request !76