fix typo in the Dutch "label_user_mail_option_all" translation (#15075)
NoMethodError when uploading a file without logger (#14977).
Rows may not be oredered as expected with ruby1.8 (#4911).
Hide issue custom fields when disabling issue tracking on new project.
Don't update issues nor log time when importing old changesets (#4823).
Pass the commit keyword used to update the issue to the plugin hook.
Support for multiple issue update keywords/rules in commit messages (#4911).
German translation updated by Daniel Felix (#15028)
remove trailing white-spaces from config/locales/it.yml
Traditional Chinese translation updated by ChunChang Lo (#15022)
