Adding exception message to on error callback
Adding test for callback's onError for APNsPushNotificationSender.
fixing error text
Applying edewit comment on duplicated log statement
Merge branch 'FineAPNsLogging'
use PUT method for updating iOS variant when certificate specified AGPUSH-944
Deleting empty and unused persistence.xml files
adding web-resource-name element
Merge branch 'pr/360'