Fixed NPE in ConsecutiveAppendsShouldReuseRule.getVariableAppended() which was triggered with the dogfood ruleset
Added support for enums in CommentRequiredRule and extended corresponsing test
Merge branch 'master' of https://github.com/igniti-gmbh/pmd into igniti-gmbh-master
Merge branch 'commentrequired-enums' of https://github.com/igniti-gmbh/pmd into igniti-gmbh-master
Update changelog