2014-1-20 12:50
change create questions limit length
20140120 15:45
20140120 22:10
20140120 23:00
20140121 00:00
add name to admins
admin.coffee.js add unit disabled when role not HR
20140122 10:00
Merge branch 'master' of https://github.com/kiat-mao/shpost_examination
rm ability.rb
add units validata && cancan on views
update layout && add show self unit info
update some role with cancan
update students role with cancan
update local activerecord
merge master