Merge branch 'develop' of https://github.com/martakostova/GAKUEngine into develop
[views] Fix layouts
Add borders to tables
WIP: Try to fix app/views/gaku/admin/admissions/_state_change_form.html.slim
edit logic and fixes for exam portion attachments
[spec] edit specs for exam portion attachments
Merge branch 'develop' of https://github.com/martakostova/GAKUEngine into develop

Conflicts:
	core/spec/requests/exams/exam_portions/attachments_spec.rb
Merge branch 'develop' of https://github.com/kalkov/GAKUEngine into develop
[student] check if the student is active or not by its enrollment status
fix recovering deleted applicant
[locales] remove unused translations
[specs] listing admissions soft delete
minor fix