pmd: fix #1159 false positive UnusedFormalParameter readObject(ObjectInputStream) if not used
pmd: verify #1156 False failure with "Avoid unused private methods"
pmd: fix #1154 Call super onPause when there is no super
pmd: fix #1150 "EmptyExpression" for valid statements!
pmd: verify #1149 getBeginLine and getEndLine not working (ECMAScript)
pmd: fix #1147 EmptyMethodInAbstractClassShouldBeAbstract false positives