updated locales
Merge branch 'develop' of github.com:absolu7/GAKUEngine into develop
[views] when only one state in phase, no dropdown for change state
[model] add validation to period method association model
Merge branch 'develop'

Conflicts:
	core/config/locales/bg.yml
	core/config/locales/en.yml
	core/config/locales/ja.yml
	core/config/locales/pt-BR.yml
fix comment _links.html.slim
Merge branch 'develop' of https://github.com/absolu7/GAKUEngine into develop

Conflicts:
	admissions/app/views/gaku/admin/admissions/_links.html.slim
[views] fix admissions index js error
[views] fix admission period edit validations
mini fix
Merge remote-tracking branch 'snowsunny/master'
[views] fix admissions index js error 2
[models] admission state before destroy - refactor
[controllers] when creating admission record - find default state and assign to it
[spec&factory] request specs for School Levels
[spec] trait :master for school factory
add option to destroy school level nested attributes under school
little school controller refactor
[view] beautification for school_level nested form
change requiring nested_form gem from admission to core