Release candidate 1 of Sonar PMD Plugin v2.6.
Changes of note:
- upgrade PMD to 5.4.2
- removal of rule: BooleanInversion (removed in PMD v5.3.0)
- removal of rule: UncommentedEmptyMethod (renamed to UncommentedEmptyMethodBody in PMD v5.3.0)
- merged pull request from csatomfr (make CommentRequired configurable)