[spec_helper] add pry to specs for easy debugging
[spec/features] students class group on create
[spec/model]class group and semester state methods
[factory] add factories to semester for different state
[factory] change to use Date.today instead Time.now
[spec/model] semester and class group active/upcomming
[spec_helper] add pry for debug
[model] semester and class group active/upcomming
[controller] handle ClassGroup grouping in student new class group select
[view] handle ClassGroup grouping in student new class group select
Merge branch 'master' of github.com:Genshin/gaku into group_class_group
[rubocop] satisfy style guide
[rubocop] satisfy style guide n2
[pry] remove from testing
[conroller] fix class_group_enrollments creation
Merge pull request #321 from Genshin/group_class_group

Group class group