Added push categories to support iOS8 interactive push notifications
Merge branch 'release-3_2' of github.com:Swrve/swrve-ios-sdk into 6638-ios-interactive-push
Merge branch 'release-3_3' of github.com:Swrve/swrve-ios-sdk into 6638-ios-interactive-push
Better docs for push notification categories
Merge pull request #13 from Swrve/6638-ios-interactive-push

6638 iOS interactive push