Issue #228: Loggers should be "private static final" and should share a naming convention.
Merge branch 'master' of github.com:htmfilho/yougi
Issue #228: Unused private fields should be removed.
Issue #228: Method parameters, caught exceptions and foreach variables should not be reassigned.
Issue #228: Useless parentheses around expressions should be removed to prevent any misunderstanding
Issue #228: if/else/for/while/do statements should always use curly braces
Issue #228: Strings literals should be placed on the left side when checking for equality
Issue #228: Empty arrays and collections should be returned instead of null
Issue #228: Avoid commented-out lines of code
Issue #228: Collection.isEmpty() should be used to test for emptiness