1.16.0

Breaking

• Updated the iOS plugin to use Braze iOS SDK 3.11.0.
• Updated the Android plugin to use Braze Android SDK 3.1.0.

Fixed

• Fixed an issue where the binding would cache the Appboy singleton instance.
• Fixed Card.cs to always return CardCategory.NO_CATEGORY in all cases where no valid categories are found.
  • See #43. Thanks @Sencerd!

Changed

• Updated the Appboy configuration editor to use Braze branding.
• By default, native in-app messages on Android no longer show the status bar.