fix(VariableAnalysisSniff): Fix false positives with pass by reference variables in closure use statements

fix(ValidVariableNameSniff): Allow underscore class properties in classes that look like config entities (issue #2804739)

feat(FunctionCommentSniff): Restore type hint requirement when @param is documented as array (issue #2803251)

feat(GlobalDefineSniff): Added a sniff to detect global define() calls in module files (issue #2808065)

refactor(GlobalConstantSniff): Move GlobalConstantSniff to separate Constants group (issue #2808065)

fix(DocCommentSniff): Allow missing doc block comment if @covers annotation is used on PHPUnit test methods

fix(LineLengthSniff): Allow the hook implementation docs line to exceed 80 characters (issue #2797541)

fix(LineLengthSniff): Allow @Link lines to exceed characters if in a list (issue #2791183 by dawehner, klausi)

fix(FunctionCommentSniff): Allow PHP 7 primitive type hints in functions and methods (issue #2795149 by klausi, chriscohen)

fix(GlobalDrupalSniff): Add ConfigFormBase to the list of classes where dependency injection should be used

Issue #2781933: Added a class variable documentation sniff and detect trailing semi colons in @var data types