Background Execution Prototpye Finished. TODO: 1.Add UI on Web for showing the result. 2.Make bg.py run forever. 3.Automatically run bg.py while node launching. 4.Make a more detailed decription of how to use it. 5.Make sandbox a real sandbox(Need to switch user permissions) 6.Make Problem Upload can see history result.
Modify schema
space replace tab
Merge branch 'master' into judges
First stable version of judge. Change mongoose schema, web page template and add some script files.
Add new function-restrict execution time. Add script files to help installation.
Modified README
fixed kill bug
modify template
merging judges branch
merge complete