Merge pull request #46 from baasbox/0.8.4

0.8.4
Merge pull request #47 from baasbox/0.8.4

pull request from repository baasbox
add category and content-available fields for ios push notifications
remove old apns library
add control for content-available for ios push notifications and change baasbox version
removed old library
Merge pull request #529 from snoodlupa/ios8-push

add category and content-available for iOS push notifications