init repository
create dir pos-simple
homework
add pos to pos_simple by wangzhongbi
add pos-jquery to pos_jquery by wangzhongbi
zhanghang
add pos to pos_simple by zhaopeng
add pos to pos_simple by zhanghang
Merge branch 'master' of https://github.com/ZhouYong10/student_code_repository
jtong - add zhaopeng's pos to submodule
 add by zhaopeng
jtong - ignore idea file
add pos-simple by zengpuyang
add pos-simple by chensen
Merge github.com:ZhouYong10/student_code_repository