merge
fix courses and class_groups student search
remove student_chooser js requirement
add nil check for admission period in view
add paging info in students index
add -none assigned- for class group in new student view
merge martakostova develop
fix admission spec
admission phase exams v1
fix pagination & bootstrap update
fix page per
Fix i18n issue
Install sidekiq gem
pre-merge commit
Merge remote-tracking branch 'snowsunny/master'
Merge branch 'master' of git://github.com/Kagetsuki/GAKUEngine
Zaikousei importing working with sidekiq
Add some specs for zaikousei
[grading] add grading under admissions little refactor
Merge branch 'develop' of https://github.com/tapalilov/GAKUEngine into refactor_admissions