Consolidate recovery assistance forms

common/djangoapps/student/forms.py

common/djangoapps/student/urls.py

common/djangoapps/student/views/management.py

lms/static/js/spec/student_account/account_recovery_spec.js

lms/static/js/student_account/views/AccessView.js

lms/static/js/student_account/views/AccountRecoveryView.js

lms/static/js/student_account/views/FormView.js

lms/static/js/student_account/views/LoginView.js

lms/static/lms/js/spec/main.js

lms/templates/account_recovery/password_create_confirm.html

lms/templates/student_account/account_recovery.underscore

lms/templates/student_account/form_field.underscore

lms/templates/student_account/login_and_register.html

lms/templates/student_account/password_reset.underscore

openedx/core/djangoapps/user_api/accounts/api.py

openedx/core/djangoapps/user_api/api.py

openedx/core/djangoapps/user_authn/views/login_form.py

openedx/core/djangoapps/user_authn/views/tests/test_views.py