Features:
* Support for UnifiedPush 2.0 specification (bytes messages, #130)
* Export/import settings and subscriptions (#115, thanks @cmeis for reporting)
* Open "Click" link when tapping notification (#110, thanks @cmeis for reporting)
* JSON stream deprecation banner (#164)

Bugs:
* Display locale-specific times, with AM/PM or 24h format (#140, thanks @hl2guide for reporting)
