Merge branch 'master' into '1606887516-186'

assets/js/CompanyProfile.jsx

assets/js/EditProfile.jsx

assets/js/ProfilePage.jsx

assets/js/__test__/ProfilePage-test.jsx

assets/js/__test__/components/LoginForm-test.jsx

assets/js/__test__/components/VacancyList-test.jsx

assets/js/components/CompanyRegisterModal.jsx

assets/js/components/LoginForm.jsx

assets/js/components/VacancyList.jsx

core/migrations/0003_company_founded.py

core/migrations/0004_auto_20191206_1510.py

core/models/accounts.py

core/serializers/accounts.py

core/tests/test_accounts.py

core/tests/test_vacancies.py

core/views/accounts/student.py

core/views/vacancies.py

package-lock.json