[student] disposal and soft delete
[student] enrollment status modal & controller
Merge branch 'develop' of git://github.com/kalkov/GAKUEngine into develop

Conflicts:
	core/app/views/gaku/students/enrollment_statuses/_enrollment_status.html.slim
[fix] modal opening for edit enrollment status break specs
[refactor] students addresses, migration, models, views, controllers
[remove] js debugging in address recovery.j.erb
[fix bug] address deleting
[refactor] guardian addresses
[refactor] campus address
adjusted zaikou worker for postgre compatibility
Merge remote-tracking branch 'kalkov/develop'
small fix for date validatino in pgsql
Merge remote-tracking branch 'kalkov/develop'
Merge remote-tracking branch 'tapalilov/refactor_addresses'

Conflicts:
	core/app/models/gaku/student.rb
	core/app/models/gaku/student_address.rb
	core/app/views/gaku/students/enrollment_statuses/_enrollment_status.html.slim
	core/config/routes.rb
temp commit, importer broken
[fix] small fixes for student addresses
[fix] address model & cleaning controller
[refactor] student contacts
[refactor] guardian contacts
[fix] for checkbox in contact form