SublimeLinter 1.6.9 changelog

NEW FEATURES

- C/C++ lint via `cppcheck`. Also added alternative (hidden) support for
  `cpplint.py`. Please see README for more info.

- Lua syntax check via `luac`.


CHANGES/FIXES

- Adding a 'beta' channel for SublimeLinter into Package Control. This
  branch will act as a more formal method for testing new features and
  fixes before a release.