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
[views] fix admissions index js error
[views] fix admission period edit validations
[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
Merge branch 'develop' of https://github.com/kalkov/GAKUEngine into develop

Conflicts:
	core/app/views/gaku/admin/schools/show.html.slim
Merge branch 'develop' of github.com:absolu7/GAKUEngine into develop
Merge branch 'develop' of github.com:tapalilov/GAKUEngine into develop
fix conflict after pull
[helper] comma_separete_list take block to modify how element are added
add applicant number to admission index