examination manage controller and views.
adjust paper generation method.
fix algorithm.
modified terms.
better terms.
default false option.
subject key information.
align buttons to right.
better db mapping.
add mock data. fix db PK FK.
cleanup model.
upgrade package version.
test paper generation algothrim.
paper algothrim is not very deal.
question pagination.
news function.
new GA.
more abstract for GA.
Merge branch 'dev' of github.com:lurongkai/online-assessment into dev
simple algorithm.