Improves notif validation to work better with ActiveRecord.
:adm_failed_to_recipient reflection: used for clearing unregistered registration ids from the records.
Remove the spaces at the end of the line violated the style
Remove the unused assignment
Merge pull request #65 from ekohe/master

Add :adm_failed_to_recipient reflection
Merge pull request #60 from jmnsf/improve_notification_app_presence_validation

Improves notif validation to work better with ActiveRecord.
Merge of upstream repo

Merge branch 'master' of https://github.com/rpush/rpush
Better error handling for windows 8 responses