Checkstyle 6.16.1

[Roman Ivanov]

Checkstyle 6.16.1 - http://checkstyle.sourceforge.net/releasenotes.html#Release_6.16.1

Bug fixes:

  fix TokenTypes compatibility problems between 6.15 and 6.16.

  Allow JUnit ClassRule to be public.

  FinalParameters should not warn for non-final parameters of native methods .

Notes:

  Revert "Issue #2973: removed unused FLOAT_SUFFIX from java.g".

  all rows in coerage table google_style.html shoudl have anchor.

  Strive for 100% line coverage for java grammar.