MantisBT配置

MantisBT中的选填项冗余，需要删除。默认选填项为：

id, project_id, reporter_id, handler_id, duplicate_id, priority, severity, reproducibility, status, resolution, category_id, date_submitted, last_updated, os, os_build, platform, version, fixed_in_version, target_version, view_state, summary, sponsorship_total, due_date, description, steps_to_reproduce, additional_information, attachment_count, bugnotes_count, selection, edit, overdue, custom_关闭问题的版本, custom_冲刺, custom_功能模块, custom_发现问题版本

查看问题的列：

selection, edit, priority, id, sponsorship_total, bugnotes_count, attachment_count, category_id, severity, status, last_updated, summary