Prevents unauthorized user groups assignment.
Administration panel breadcrumbs (#3314).
Redirect to user view when adding user and fixes default redirect on user edit.
Do not redirect to the users list when editing user.
User groups initial commit.
Keep status filter on the projects list when un/archiving a project (#3530).
Fixes notice_failed_to_save_issues string in various locales (#3574).
Do not require a non-word character after a comma in Redmine links (#3561).
Adds issue last update timestamp (#3565).
Set trunk version to latest stable release (#3233).
