Added support for iOS 8 notification actions by adding a 'category' field to the push notification.
Added support for iOS 8 notification actions by adding a 'category'
field to the push notification.

argon/node-apn,node-apn/node-apn,hilllinux/node-apn,telerik/node-apn,guoyu07/node-apn,madshell/node-apn,guytuboul/node-apn,F4-Group/node-apn,tempbottle/node-apn,lopper/node-apn,maximeloizeau/node-apn