fix bug of first_train? check
split script_service to script and logic
move scipt-files to user-define area
delete Script::Script and move script to user_define
fix bug of require missing
remove junk-line, br tag
rename directory to pre_define/scripts
fake implement, write save
delete slave_id, because its duplicated
remove id key from slave_list
change dir, put save-file
implement slave_sold
implement save-file
refine save-helper-unit