[#62896842] Contacts file Importer

Missing method: get_schoold_id

Rollback is not defined also
[#62896842] Proccess Contacts files

Creation of ContactsFileImporter
[#62896842] Config files related to kshema

API_KEY and HOST (the api_key is going to be updated)
[#62896842] update realtime_status to allow retry and remove school_id param
[#62896842] Changes in kshema api

new url and params
[#62896842] failed_files controller

1) get failed_contacts_ids
2) start new update
3) change status_url
[#62896842] View: Retry contacts files uploads
[#62896842] kshema api_key
[#62896842] parse_status -> map_status

map_status allows the importer to map the statuses that the
ws sends to it
[#62896842] parse body not response
[#62896842] specs
[#62896842] bug: creating ContactsFileImporter inside attendance function
[62896842] key to string parameter
[#62896842] Minor fixes related to failed_files action

1) Forgot to permit :status
2) Send the id
3) Add failed_files route
Merge branch '62896842-file-importer' of https://github.com/dwaynemac/importer into 62896842-file-importer
[#62896842] Send suggested_tiemout as the timeout for the new import
Merge branch '62896842-file-importer'

Conflicts:
	app/models/kshema_importer.rb
	config/initializers/padma_webservices.rb
	spec/factories/import_modules.rb
rename legacy parse_status to map_status