Checkstyle 6.12.1

[Roman Ivanov]

Release 6.12.1 - http://checkstyle.sourceforge.net/releasenotes.html#Release_6.12.1

New:

  ParameterName: Add 'ignoreOverridden' option to skip methods with @Override annotation.

Bug fixes:

  Fix RedundantModifier at final methods in anonymous class.

  Performance-Optimization: Do not recompile Pattern for each file/line.

  WhitespaceAround: Fix skipping validation for non empty classes when allowEmptyTypes is true.

  NeedBraces: allow no body loops.

  UnusedImports: Make 'processJavadoc' property 'true' by default.

  spelling: fix strange japanese.

Notes:

  removed excess hierarchy from several Checks.

  deprecated AbstractIllegalCheck.

  removed xdoc google style links to master.

  removed xdoc links to master.

  added xdoc example url validation.

  added xdoc check order validation, all xdoc are sorted.

  validate existence of config file sooner.

  reorganized checkstyle_checks.xml.

  Describe token sets in 'writing checks' section in xdoc.

  Update System Rules to 1.13.0.