add #310 on changelog file
Merge branch 'master' of github.com:opps/opps

* 'master' of github.com:opps/opps:
  Update Changelog
  set disabled mirror_channel channel, ref #310
  Fix #311
  Add compiled boxes app messages file
  fix typo on set mirror_channel type
  set mirror_channel widget CharField, ref #310
  set mirror_channel readonly field attr, ref #310
  Update CHANGELOG.rst
  Add exclude filters test on boxes app
  change translation on boxes app
  Add boxes exclude field migration
  Add excludes field on Queryset model

Conflicts:
	CHANGELOG.rst