add deal paper in background
meger jasli2 master branch
1. Adjust comment controller to let comment act as polymorphic.
2. Adjust training plan views.
submit paper to teacher
Adjust admin dashboard view.
add student result for examination
In user's dashboard. Showing TODO list and trace project as the most inportant information.
Also add action direct in TODO and trace project to let use handle more easily.
Remove debug information.
Adjust view to display cousre and class. Add examination link.
Add course class publish address and time feature and sent out notification to students.
add question  polymorphic options
meger jasli2 branch
Merge pull request #25 from hutuxiansheng/master

add polymorphic options for question
Update examination and question views.
add examination result
Merge branch 'master' of https://github.com/jasli2/evolution
Hook up examination to course class.
rewrite permission model (behavier by QianFan)
Merge Jasli2 master
Merge pull request #26 from pigmike/master

Rewrite Permission Module