List of files that need to be updated for new field or new Check implementation

2 Pull Requests are expected:

In the same PR Check+UTs update, it is required to update file for plugins/extensions:

https://github.com/sevntu-checkstyle/sevntu.checkstyle/tree/master/eclipsecs-sevntu-plugin/src/com/github/sevntu/checkstyle/checks/design/checkstyle-metadata.properties

https://github.com/sevntu-checkstyle/sevntu.checkstyle/tree/master/eclipsecs-sevntu-plugin/src/com/github/sevntu/checkstyle/checks/design/checkstyle-metadata.xml

https://github.com/sevntu-checkstyle/sevntu.checkstyle/tree/master/sevntu-checkstyle-sonar-plugin/src/main/resources/com/github/sevntu/checkstyle/sonar/checkstyle-extensions.xml

in different PullRequest (for "gh-pages" branch):

https://github.com/sevntu-checkstyle/sevntu.checkstyle/blob/gh-pages/sevntu-checkstyle-default-configuration.xml